Infusion pumps · Infusomat family

B. Braun Infusomat Space: troubleshooting and error codes

The ServiceForge knowledge base holds 56 documented symptoms for the B. Braun Infusomat Space, with 74 ranked causes, 192 diagnostic checks with test points and expected values, and 92 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Caution sign at front does not flash yellow caution

Front caution indicator fails to illuminate yellow

Ranked causes

1. Downstream pressure sensor failed (common)
2. Processor PCB failed (occasional)
3. Safety clamp issue (rare)

First check

Observe caution indicator at front of unit

Test point: Caution sign LED
Expected: The caution sign at the front of the unit flashes yellow

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Door bolt does not secure operating unit caution

Door bolt fails to lock and tighten the operating unit

Ranked causes

1. Safety clamp failed (common)
2. Door bolt drive failed (occasional)
3. Processor PCB failed (occasional)

First check

Verify door bolt tightens and secures unit

Test point: Door bolt and safety clamp
Expected: The operating unit is tightened by the door bolt and then fixed

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Door bolt does not unlock operating unit caution

Door bolt mechanism fails to release and open unit

Ranked causes

1. Door bolt drive failed (common)
2. Processor PCB failed (occasional)
3. Operating unit hardware issue (occasional)

First check

Attempt to unlock door bolt and open unit

Test point: Door bolt mechanism
Expected: The door bolt unlocks the operating unit which then opens

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Service info not displayed on LCD caution

LCD fails to display Service info screen

Ranked causes

1. Air inline sensor failed (common)
2. Operating unit failed (occasional)
3. Processor PCB failed (occasional)

First check

Power on and check if Service info appears on display

Test point: LC display
Expected: The Service info appears on the LC display

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Air inline sensor water value out of specification caution

Service info displays air inline sensor value outside TSC water specification

Ranked causes

1. Air inline sensor failed (common)
2. Processor PCB failed (occasional)

First check

Display Service info and verify air inline sensor water value

Test point: air inline sensor reading on display
Expected: The value displayed (water value) is within the specifications of the TSC

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

At least one LED lights up but not all caution

Partial LED illumination on power on

Ranked causes

1. LCD display failure (common)
2. Message not displayed on LCD (occasional)

First check

Observe LED illumination at power on

Test point: Individual LEDs
Expected: At least one LED lights up for a short moment

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Battery module discharges too fast

Battery depletes rapidly during use or storage

Ranked causes

1. Device not used for longer time (common)
2. Battery module not discharged and charged at regular intervals (common)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Battery not functioning during power loss caution

Device does not operate on battery power when mains supply is disconnected

Ranked causes

1. Battery depleted or missing (unknown)
2. Battery alarm activation during cover opening (unknown)

First check

Power down device

Test point: Power switch
Expected: Device powers off

2 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

No beep sound heard at power on caution

Operating unit powered but no audio feedback; keyboard and display lit

Ranked causes

1. Loudspeaker or switch failed (common)
2. Processor PCB failed (occasional)

First check

Power on unit and listen for audio feedback

Test point: Loudspeaker output
Expected: A short deep and then a short high beep sound

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Post-repair verification required patient safety

After disassembly and reassembly work (chapters 3.2-3.9), visual inspection and self-test must be performed before returning unit to service

Ranked causes

1. Completion of internal maintenance or repair (common)
2. Flow accuracy adjustment or pump work performed (occasional)

First check

Cleanliness inspection

Test point: Entire device exterior and internal visible surfaces
Expected: Clean, free of debris, grease, ultrasonic gel or contamination

46 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Pressure alarm does not trigger on line occlusion patient safety

Red LED on service connector does not light when supply line is occluded upstream or downstream; system fails to detect pressure threshold

Ranked causes

1. Electronic pressure sensor malfunction or threshold misconfiguration (occasional)
2. Service connector not properly connected to deactivate electronic cut-off during mechanical test (occasional)

First check

Open operating unit and verify slide clamp is fully retracted

Test point: Operating unit; slide clamp position
Expected: Slide clamp completely pulled back on line

4 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Pump does not deliver or line is not vented caution

Pump delivery not audible or line venting fails

Ranked causes

1. Pump drive failed (common)
2. Processor PCB failed (occasional)

First check

Listen for pump delivery and check line venting

Test point: Pump operation and line vent
Expected: You can hear the pump as it is delivering and the line is vented

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Service info sensor values out of specification caution

Air inline sensor or temperature values exceed TSC specifications

Ranked causes

1. Operating unit failed (common)
2. Processor PCB failed (occasional)

First check

Display Service info and verify air inline sensor value

Test point: air inline sensor reading on display
Expected: The value displayed is within the specifications of the TSC

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Vent line message not displayed caution

LCD does not display 'Vent line - 16 ml?' message

Ranked causes

1. Operating unit failed (common)
2. Processor PCB failed (occasional)

First check

Check if vent line message is displayed

Test point: LC display
Expected: 'Vent line - 16 ml?' is displayed

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Air bubble not detected in supply line patient safety

Alarm not triggered when air bubble of approximately 0.4 ml (56 mm line length) is present in supply line during infusion

Ranked causes

1. Air inline sensor malfunction or miscalibration (unknown)

First check

Generate air bubble in supply line

Test point: Supply line to pump
Expected: Air bubble approximately 0.4 ml (56 mm line length)

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Air inline sensor does not detect or display air bubbles patient safety

Air inline sensor fails to trigger alarm or display air content value on LC display when water-filled line contains air

Ranked causes

1. Air sensor optical path blocked or electronic circuit malfunction; service connector not plugged in (occasional)

First check

Verify service connector is plugged into connector P2

Test point: Service connector; connector P2
Expected: Service connector fully seated on P2

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Air inline sensor reading verification patient safety

Verification that air inline sensor displays correct value within technical specifications during device self-test with air-filled line

Ranked causes

1. Air inline sensor functioning correctly during device check (common)

Battery module not charging caution

Battery module fails to charge even with power supply connected

Ranked causes

1. Battery module defective (common)

First check

Connect power supply and allow battery to charge for 16 hours

Test point: Battery module in device
Expected: Battery charges to full capacity

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Delivery accuracy test fails patient safety

Measured volume delivered does not match expected volume within acceptable deviation; infusion rate not accurate

Ranked causes

1. Pump mechanism wear or calibration drift; improper test setup (occasional)

First check

Verify test setup configuration matches Fig. 7-2 requirements

Test point: Test setup components; liquid level in container
Expected: Liquid level approx. 50 cm above middle of unit opening; all components properly connected

3 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Device alarm 2027 patient safety

Air inline sensor alarm triggered

Ranked causes

1. Air inline sensor defective (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Device alarm 2119

LCD display manufacturing tolerance out of specification

Ranked causes

1. Manufacturing tolerance of LC-display too high (rare)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Device alarms 2021 to 2022 patient safety

Upstream pressure sensor fault alarms

Ranked causes

1. Upstream pressure sensor defective (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Device alarms 2023 to 2024 patient safety

Downstream pressure sensor fault alarms

Ranked causes

1. Downstream sensor defective (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Device check procedure validation patient safety

Systematic verification of Infusomat Space device functionality through a multi-step diagnostic sequence including power-up, LED indicators, audio signals, display functions, door mechanisms, line insertion, sensor readings, and pressure stage testing.

Ranked causes

1. Normal device operation during service check (common)

First check

Device insertion or connection to SpaceStation/SpaceControl

Test point: Device connector
Expected: Device properly inserted or connected

45 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Device does not operate after power-on caution

Connected Space system device fails to operate correctly after switching on with power supply connected

Ranked causes

1. Power supply not properly connected or locked (unknown)

First check

Verify power supply connection and lock

Test point: Power supply connector to device
Expected: Connection secure with lock engaged

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Door bolt drive installation and potentiometer engagement

Operating pin of linear potentiometer must engage in fork when spindle tappet is clipped in during door bolt drive installation

Ranked causes

1. Operating pin not engaging potentiometer fork during door bolt drive installation (occasional)

First check

Install door bolt drive assembly

Test point: Door bolt drive position
Expected: Drive positioned for potentiometer engagement

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Drop sensor does not alarm on air jet or line disconnect patient safety

Drop sensor fails to trigger alarm when drop chamber is squeezed to generate jet or when infusion line is disconnected from container

Ranked causes

1. Drop sensor not connected or malfunction; optical sensor dirty or misaligned (occasional)

First check

Verify drop sensor is properly connected to device

Test point: Drop sensor connector
Expected: Sensor connected and enabled

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Electrical safety compliance check patient safety

Verify that patient and housing leakage currents meet safety limits per standards IEC/EN 60601-1, VDE 0750, and VDE 0751

Ranked causes

1. Completion of electrical work or power supply replacement (common)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Housing bottom part and seal installation

Seal position relative to safety clamp must be verified, and hinge spring must be properly pressed into spring holder during bottom part assembly

Ranked causes

1. Improper seal position or hinge spring not fully seated in spring holder (occasional)

First check

Verify seal position relative to safety clamp

Test point: Seal and safety clamp alignment
Expected: Seal correctly positioned in relation to safety clamp

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Housing front panel and inner frame assembly and alignment caution

Door bolt must be in open position before front panel mounting; membrane must be routed correctly; front frame lugs must engage inner frame openings; positioning hemispheres must align with bottom inner frame slots; final assembly must be parallel

Ranked causes

1. Improper door bolt position or membrane routing causing misalignment during front panel assembly (occasional)

First check

Move door bolt to open position (full left)

Test point: Door bolt position
Expected: Door bolt at full left stop (open position)

7 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Housing upper part cable and component routing caution

Cables must not be pinched, connector seals must be correctly positioned, snap-in hook spring must be outside housing wall, and loudspeaker must be properly oriented during upper housing assembly

Ranked causes

1. Improper cable routing or component positioning causing pinching, seal misalignment, or speaker malfunction (occasional)

First check

Inspect cable routing before upper housing installation

Test point: All cables and connectors in housing interior
Expected: Cables routed to avoid pinching; no cables in housing edge paths

5 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Infusion or bolus does not deliver or buttons not responsive patient safety

Infusion fails to deliver fluid; intermediate bolus not functioning; button presses do not trigger expected functions

Ranked causes

1. Operating unit not properly closed or pump mechanism malfunction (common)

First check

Verify infusion delivers fluid when operating unit is closed

Test point: Pump outlet; graduated cylinder
Expected: Fluid flows into graduated cylinder

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Infusomat Space line does not seat or squeeze properly patient safety

Line does not slide into position or slide clamp does not disengage release lever; line is not squeezed by pump mechanism

Ranked causes

1. Line not properly inserted or slide clamp mechanism stuck (common)

First check

Insert line and verify slide clamp mechanism engages

Test point: Infusomat Space line; slide clamp
Expected: Line inserts smoothly; slide clamp disengages release lever

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Inner frame lubrication and assembly caution

Inner frame components must be properly lubricated to prevent stiff or jerky movements during installation

Ranked causes

1. Insufficient lubrication of inner frame components causing stiff or jerky movements (common)

First check

Inspect inner frame components for lubrication adequacy

Test point: Plastic guides, spring bearings, toothed wheels, bearing guides
Expected: Sufficient grease film present; no stiff or jerky movement observed

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Keyboard and LCD display not illuminated caution

No power indication at keyboard or display

Ranked causes

1. Processor PCB failed (common)

First check

Power on unit and observe keyboard and display lighting

Test point: Keyboard and LCD display
Expected: The keyboard and the LC display are lighted

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Membrane installation during assembly caution

Membrane must be properly installed over pump drive pushers using correct technique and lubricant

Ranked causes

1. Membrane requires careful installation over pump drive pushers (common)

First check

Prepare new membrane and lubricant

Test point: Membrane and Meliseptol® availability
Expected: New membrane available; Meliseptol® lubricant prepared

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

No message displayed on LCD display caution

LCD display is lit but no message appears

Ranked causes

1. Processor PCB failed (common)

First check

Power on and observe LCD display and LEDs

Test point: LC display and all LEDs
Expected: All LEDs light up for a short moment and a message is displayed on the LC display

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Noise during opening or closing operating unit caution

Abnormal sounds heard when door opens or closes

Ranked causes

1. Toothed wheels in door bolt drive defective (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Operating unit hinge spring and connector assembly

Hinge spring must be correctly inserted in hinge cover and rear panel bore hole; keyboard PCB bonding must be observed; grooves must point to rear panel; connection cable and ribbon cable cover must be properly routed

Ranked causes

1. Improper hinge spring insertion or connector misalignment during operating unit assembly (occasional)

First check

Insert hinge spring long side in hinge cover opening

Test point: Hinge cover opening
Expected: Spring long side fully inserted in opening

7 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Operating unit lock fails caution

Unit does not lock or unlock properly when stacked with another Infusomat Space device or when fitting battery compartment cover

Ranked causes

1. Lock mechanism worn or misaligned (occasional)

First check

Verify lock engages when stacking unit on top of another device

Test point: Unit lock mechanism
Expected: Lock engages smoothly

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Power supply mechanical lock malfunction caution

Power supply connector lock does not secure properly to Space system device

Ranked causes

1. Lock mechanism worn or misaligned (unknown)

First check

Connect power supply to device

Test point: Power supply connector and device receptacle
Expected: Lock engages smoothly with audible or tactile click

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Pressure adjustment unit calibration and cover cap removal patient safety

If pressure adjustment unit is serviced, cover cap must be removed from housing top before upper housing mounting and kept until calibration is complete

Ranked causes

1. Pressure adjustment unit serviced or replaced; calibration required (occasional)

First check

Determine if pressure adjustment unit has been serviced, dismounted, or replaced

Test point: Work history and unit condition
Expected: Documentation confirms pressure adjustment unit service

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Processor PCB positioning and lugs alignment

Adjusting lug of bottom inner frame must be positioned in processor PCB boring during assembly

Ranked causes

1. Adjusting lug misalignment with processor PCB boring (occasional)

First check

Locate adjusting lug on bottom inner frame

Test point: Bottom inner frame lug area
Expected: Adjusting lug clearly visible and accessible

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Processor PCB replacement data restoration patient safety

After replacing processor PCB, previous pump data must be restored from saved backup; calibration data is not transferred and requires new calibration

Ranked causes

1. Processor PCB replaced; data backup available on PC (unknown)

First check

Start Service Program and navigate to Modification data tab

Test point: Service Program screen
Expected: Modification data register tab displayed

3 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Pump drive runs continuously

Pump motor operates without stopping

Ranked causes

1. Light barrier defective (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Safety clamp operating lever does not press or engage properly patient safety

Operating lever of safety clamp cannot be pressed down against spring tension; caution sign does not flash yellow; clamp does not secure line

Ranked causes

1. Safety clamp spring tension binding or wear; operating lever misaligned (occasional)

First check

Measure residual pressure with operating unit unlocked but not opened

Test point: Pressure gauge; safety clamp
Expected: Residual pressure matches TSC specification after 10 seconds

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Snap-in hook installation and housing assembly completion

Snap-in hook must be inserted before mounting housing bottom part; snap-in hooks must be engaged between housing top and front frame during final assembly

Ranked causes

1. Snap-in hook not inserted before bottom part mounting or not properly engaged during final assembly (occasional)

First check

Insert snap-in hook before mounting housing bottom part

Test point: Snap-in hook position and housing bottom area
Expected: Hook inserted and positioned correctly before bottom part mounting

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Software update failure or interruption caution

Device disconnected or powered off during software update; component corruption preventing PC-based recovery; device requires return to B. Braun for repair.

Ranked causes

1. Power loss or device disconnection during software update (rare)

First check

Verify device power supply and data connection are stable

Test point: Power cable and PC connection
Expected: Stable connection maintained throughout update

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Special plastic screw installation caution

Special deformation-type screws for plastic housings must be installed with correct technique to establish proper thread and avoid stripping

Ranked causes

1. Special deformation screws require specific installation procedure to establish thread (common)

First check

Position special screw on plastic housing thread

Test point: Screw and housing thread
Expected: Screw aligned and placed on thread

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Temperature sensor reading deviation

Temperature sensor values on LC display differ from TSC specifications

Ranked causes

1. Temperature sensor calibration drift (unknown)

First check

Read temperature sensor values

Test point: LC display
Expected: Values match TSC specifications, Per TSC specifications

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Temperature sensor reading verification patient safety

Verification that both temperature sensors (Temp1, Temp2) display values and that their difference falls within technical specifications

Ranked causes

1. Temperature sensors functioning correctly (common)

Unit does not function when battery module removed patient safety

Alarm should sound continuously for minimum 3 minutes when battery module is removed and unit is unpowered

Ranked causes

1. Battery module not properly installed or battery compartment cover magnetic function compromised (occasional)

First check

Remove battery module from unit without external power supply

Test point: battery compartment
Expected: Continuous audible alarm for minimum 3 minutes

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Unit does not respond to power on caution

No LEDs light up when power is applied

Ranked causes

1. Power supply failed (common)

First check

Power on unit and observe LEDs

Test point: All LEDs
Expected: All LEDs light up for a short moment

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Unit malfunction after service or repair

Device may fail or malfunction after a longer period of operation due to ESD damage to semiconductors during service work

Ranked causes

1. Electrostatic discharge (ESD) damage to semiconductors during service (occasional)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Water inline sensor reading verification patient safety

Verification that water inline sensor displays correct value within technical specifications after line is filled with liquid during device check

Ranked causes

1. Water inline sensor functioning correctly with filled line (common)

Zero force insertion connector ribbon cable installation

Ribbon cable must be centered in plug guides and properly locked in zero force insertion connector before proceeding

Ranked causes

1. Ribbon cable misalignment or incomplete locking in zero force connector (occasional)

First check

Position ribbon cable centered in zero force connector plug guides

Test point: Ribbon cable and plug guide alignment
Expected: Cable centered between left and right plug guides

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error codes

Code	Meaning	Trigger	Severity
`1`	Battery nearly discharged	Device not connected to mains long enough or battery module defective/too old	warning
`2`	Battery discharged	Device not connected to mains long enough or battery module defective	error
`2001-2013`	Internal Error	Unknown	error
`2014`	Loudspeaker not off	Loudspeaker remains active when should be off	error
`2015`	Loudspeaker lost	Loudspeaker not detected	error
`2016`	Loudspeaker shorted	Loudspeaker short circuit detected	error
`2017`	KUP no work	KUP processor not functioning	error
`2018`	FUP-KUP OS Cycle Timeout	OS cycle communication timeout between processors	error
`2019`	FUP Flash Memory Error	Function processor flash memory error	error
`2020`	FUP different version KuP to FuP	Version mismatch between control and function processors	error
`2021`	FUP UPSTREAM TOO HI	Upstream pressure exceeds acceptable level	error
`2021`	Upstream pressure sensor fault	Upstream pressure sensor malfunction detected	error
`2022`	FUP UPSTREAM TOO LOW	Upstream pressure below acceptable level	error
`2022`	Upstream pressure sensor fault	Upstream pressure sensor malfunction detected	error
`2023`	FUP DOWNSTREAM TOO HI	Downstream pressure exceeds acceptable level	error
`2023`	Downstream pressure sensor fault	Downstream pressure sensor malfunction detected	error
`2024`	FUP DOWNSTREAM TOO LOW	Downstream pressure below acceptable level	error
`2024`	Downstream pressure sensor fault	Downstream pressure sensor malfunction detected	error
`2025`	FUP EA key closed too long	Emergency stop key held closed beyond timeout	error
`2026`	FUP Task inactive	Function processor task not responding	error
`2027`	Air inline sensor defective	Air inline sensor malfunction detected	error
`2027`	FUP Airsensor CALDATA CRC	Air inline sensor calibration data CRC error	error
`2028`	FUP Airsensor PROGDATA CRC	Air inline sensor program data CRC error	error
`2029`	FUP Airsensor Calibration Error	Air inline sensor calibration failed	error
`2030`	No Airtest Kup	Air test not completed on KUP	error
`2031`	FUP Temperature Sensors difference	Mismatch between temperature sensor readings	error
`2032`	FUP Temperature Raw Values difference	Mismatch between raw temperature values	error
`2033`	FUP Airsensor Signature Error	Air inline sensor signature verification failed	error
`2034`	FUP CAN paket scheduler list failure	CAN interface packet scheduling error	error
`2035`	Light barrier or motor defect/turn backwards	Light barrier malfunction or motor rotation direction incorrect	error
`2036`	FUP Language Flash Memory Error	Language file flash memory error	error
`2037`	FUP Language Version Error	Language file version mismatch	error
`2038`	FUP CRC Task inactive	CRC task not responding	error
`2039`	Two pumps with same serial number in SpaceStation	Duplicate serial numbers detected	error
`2100`	Timebase too fast	Processor clock running faster than specification	error
`2101`	Timebase too slow	Processor clock running slower than specification	error
`2102`	Timebase fail	Processor timebase not functioning	error
`2103`	Keyboard High	Keyboard voltage reading abnormally high	error
`2104`	EA_KEY defect 25sec	Emergency stop key malfunction lasting 25 seconds	error
`2105`	No keydecode	Keyboard input not being decoded	error
`2106`	ROM Romtest defect	ROM self-test failed	error
`2107`	ROM Program defect	ROM program area corrupted	error
`2109`	MPU_Test failed	Microprocessor unit self-test failed	error
`2110`	RAM_Test failed	RAM self-test failed	error
`2111`	KUP active reset	KUP processor underwent unexpected reset	error
`2112-2114`	Internal Error	Unknown	error
`2115`	Drive too fast	Motor drive speed exceeds specification	error
`2116`	Drive too slow	Motor drive speed below specification	error
`2117-2118`	Internal Error	Unknown	error
`2119`	lcd backlight on defect	LCD backlight cannot turn on	error
`2119`	LC-display manufacturing tolerance too high	Display tolerance manufacturing defect detected	error
`2120`	lcd backlight off defect	LCD backlight cannot turn off	error
`2121`	red led on defect	Red LED cannot turn on	error
`2122`	red led off defect	Red LED cannot turn off	error
`2123`	key pressed too long (without EA-Key) 60sec	Key held pressed for 60 seconds without emergency stop key	error
`2124-2127`	Internal Error	Unknown	error
`2128`	Drive motion rightless forward	Motor forward motion not detected	error
`2129`	Drive motion rightless backward	Motor backward motion not detected	error
`2130-2200`	Internal Error	Unknown	error
`2201`	different version FuP to KuP	Version mismatch between function and control processors	error
`2202`	stepmotor PH1A not 0	Stepper motor phase A not at zero state	error
`2203`	stepmotor not middle current	Stepper motor mid-phase current not present	error
`2204`	stepmotor K_SM_CLK	Stepper motor clock signal issue	error
`2205`	stepmotor PH1A not 1	Stepper motor phase A not at one state	error
`2206`	stepmotor not zero current	Stepper motor zero-state current not present	error
`2207`	stepmotor not middle current	Stepper motor mid-phase current not present	error
`2208`	stepmotor not high current	Stepper motor high-state current not present	error
`2209`	stepmotor PH1A,PH1B,PH2A,PH2B not 0	Stepper motor all phases not at zero state	error
`2210`	K_PKM_UB not off	Door bolt drive signal not off	error
`2211`	K_PKM_UB not on	Door bolt drive signal not on	error
`2215`	no V_MOT	Motor supply voltage not present	error
`2216`	overvoltage test fail	Motor supply voltage exceeds specification	error
`2217`	no V_MOT	Motor supply voltage not present	error
`2218`	undervoltage test fail	Motor supply voltage below specification	error
`2220`	door poti defect	Door potentiometer not functioning	error
`2221`	tube change timeout	Tube change procedure timeout	error
`2222`	temperatur sensor difference	Temperature sensor reading mismatch	error
`2223`	airsensor defect	Air inline sensor not functioning	error
`2224`	rate compensation difference	Rate compensation calculation mismatch	error
`2225`	rate compensation max value	Rate compensation exceeds maximum	error
`2226`	rate compensation min value	Rate compensation below minimum	error
`2227`	received Airdata defect	Air sensor data corrupted or invalid	error
`2228`	defect temperature sensor switch	Temperature sensor switch malfunction	error
`2229`	FuP not stopped by KuP alarm	Function processor not halted by control processor alarm	error
`2230`	drive totphase is defect	Motor total phase control defective	error
`2231`	tube data set is defect	Tube dataset corrupted	error
`2237-2255`	Internal Error	Unknown	error
`3`	Battery cover open	Battery compartment cover not correctly closed or magnet missing or not recognized	error
`4`	Device alarm	Serious internal fault detected in system	critical
`Alarm / Check supply`	Supply line check alarm triggered during upstream delivery test	Roller clamp closed or line squeezed between container and pump during upstream infusion	warning
`Alarm / Pressure too high`	Maximum pressure limit exceeded for current pressure stage	Device delivers against closed downstream valve; maximum pressure threshold for selected pressure stage is reached	warning
`Devicealarm / 2111`	Battery removal alarm code indicating low or missing battery condition	Battery removed during powered device operation or device powered on without battery installed	critical

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ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.