Infusion pump modules · Medley family

Alaris Medley 8000: troubleshooting and error codes

The ServiceForge knowledge base holds 25 documented symptoms for the Alaris Medley 8000, with 34 ranked causes, 26 diagnostic checks with test points and expected values, and 14 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Battery life is shorter than expected

Device battery drains quickly or does not hold charge for adequate runtime during operation

Ranked causes

1. Frequent use of battery power without adequate charging cycles (common)
2. Improper storage conditions (occasional)
3. Battery is degraded or defective (occasional)

First check

Verify charging environment temperature

Test point: Room temperature where battery is charged/stored
Expected: 50 - 80.6°F (10 - 27°C), +10 to +27°C

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

Battery does not charge properly after initial setup

Unit does not hold adequate charge after initial 8-hour charge or battery charge indicator is not functioning

Ranked causes

1. Insufficient initial charge time (common)
2. Defective battery installed at manufacture (rare)

First check

Verify initial charge duration at first setup

Test point: AC outlet connection
Expected: Unit plugged in for at least 8 hours before use

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

Channel disconnected patient safety

Module(s) disconnected while in operation or have a communication problem.

Ranked causes

1. Module physically disconnected (common)
2. Module communication problem (occasional)

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

Indicator lights do not illuminate after module attachment

Indicator lights fail to illuminate during power-on test after module is attached

Ranked causes

1. Module not properly powered or seated (common)
2. Defective module electronics or display (rare)

First check

Verify module is powered on

Test point: Module power switch
Expected: Module powered on state

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

Module dislodged or disconnected during operation patient safety

Module becomes physically detached or loose from Point-of-Care Unit or attached module during infusion or monitoring

Ranked causes

1. Bottom latch not fully engaged during attachment (common)
2. Adhesive tape or materials applied to module sides preventing proper latching (occasional)

First check

Verify bottom latch snaps securely in place

Test point: Bottom latch below IUI connectors
Expected: Latch fully engaged providing very secure connection

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

Module does not power on after attachment

LED segments not illuminated on display during power-on test after attaching module to Point-of-Care Unit

Ranked causes

1. Module incorrectly latched to Point-of-Care Unit or IUI connector misaligned (common)
2. Defective IUI connector on module or Point-of-Care Unit (occasional)

First check

Verify module is properly latched

Test point: Bottom latch connection between module and Point-of-Care Unit
Expected: Bottom latch snapped securely in place

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

Module identification not displayed after attachment

Appropriate module identification (A, B, C, or D) does not appear on display after attaching module

Ranked causes

1. Module not fully seated or latched on IUI connectors (common)
2. Defective module or Point-of-Care Unit IUI connector (occasional)

First check

Verify complete latch engagement and module seating

Test point: Bottom latch and IUI connectors
Expected: Module fully seated with latch snapped in place

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

Module not properly latched to unit patient safety

Module can be dislodged during operation if bottom latch does not snap in place when attached

Ranked causes

1. Module not rotated fully against Point-of-Care Unit or attached module (common)
2. Adhesive tape or materials on unit sides preventing latching (occasional)

First check

Verify module is rotated fully into place

Test point: Bottom latch
Expected: Bottom latch snaps in place with secure connection

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

Battery discharged patient safety

Operation of all modules stopped due to insufficient battery charge.

Ranked causes

1. Battery fully discharged (common)

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

Device used with flammable anesthetics present patient safety

Pump operated in environment where flammable anesthetic gases are in use

Ranked causes

1. Operation in presence of flammable anesthetics (rare)

First check

Verify anesthetic gas type and concentration in patient care area

Test point: Anesthesia delivery system and room protocols
Expected: Non-flammable anesthetics only, or flammable anesthetics not in use

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

Electrical shock hazard during maintenance high voltage

Risk of electrocution when servicing unit with internal power sources exposed

Ranked causes

1. Main AC or battery power not disconnected before opening case (common)

First check

Verify main AC power is disconnected from wall outlet

Test point: Power cord and AC receptacle
Expected: Power cord unplugged from wall receptacle

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

Electromagnetic compatibility degraded with non-specified accessories caution

Use of unauthorized cables or accessories may reduce EMI filtering and system safety

Ranked causes

1. Non-specified accessories or cables used (occasional)

First check

Visually inspect all connected cables and accessories for part number verification

Test point: All cable and accessory connectors
Expected: Part numbers match Alaris specification documentation

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

Grounding system integrity compromised high voltage

AC power outlet does not provide proper protective earth grounding required for safe operation

Ranked causes

1. Non-grounded or two-wire AC receptacle used (occasional)

First check

Visually inspect AC outlet for three-wire receptacle configuration

Test point: Wall AC receptacle where pump will be plugged in
Expected: Three rectangular holes indicating ground pin presence

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

Low Battery

AC power cord disconnected; remaining battery run time displayed

Ranked causes

1. AC power disconnected (common)

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

Low Battery Threshold

Low battery threshold sensed; remaining battery run time is limited

Ranked causes

1. Battery capacity degraded (unknown)

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

Module dislodged during operation patient safety

Bottom latch not properly secured causes module to become detached from pump during use

Ranked causes

1. Bottom latch not properly secured or snapped (common)

First check

Visually inspect and manually verify bottom latch is fully engaged

Test point: Bottom latch connection between modules
Expected: Latch fully snapped and secure, no movement when gently pulled

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

Operator unfamiliar with system features and operation patient safety

User has not received adequate training on Medley System functionality, operation, and accessories

Ranked causes

1. Insufficient operator training or familiarity (occasional)

First check

Confirm operator has completed required training program

Test point: Training records or competency verification
Expected: Operator training completion documented and verified

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

Panel Locked

Tamper Resist feature is active and key was pressed

Ranked causes

1. Tamper Resist feature active (unknown)

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

Panel locked by Tamper Resist

Keypad panel is locked; Main Display shows PANEL LOCKED prompt; any key press other than Silence, Volume View, Audio Test, or parameter view results in visual PANEL LOCKED prompt and optional audio advisory

Ranked causes

1. Tamper Resist Switch activated (common)

First check

Verify panel unlock

Test point: Main Display
Expected: PANEL UNLOCKED prompt displays for three seconds

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

Panel Unlocked

Tamper Resist feature deactivated

Ranked causes

1. Tamper Resist deactivated (unknown)

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

Powering Down

Last module powering off; system shuts off in indicated number of seconds

Ranked causes

1. System shutdown initiated (unknown)

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

Replace Battery

Battery has less than 50% of original capacity at System On

Ranked causes

1. Battery capacity below 50% (common)

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

Unit dropped or severely jarred caution

Physical impact to pump during handling or transport may cause internal damage

Ranked causes

1. Drop or severe mechanical shock to unit (occasional)

First check

Visually inspect external case for cracks, dents, or visible damage

Test point: Entire external housing
Expected: No visible cracks, severe dents, or damage to case

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

Unit used near MRI equipment MRI environment

Pump system operated in proximity to Magnetic Resonance Imaging environment

Ranked causes

1. MRI electromagnetic field incompatibility (common)

First check

Verify pump location is outside MRI suite and magnetic field exclusion zone

Test point: Physical location relative to MRI scanner
Expected: Pump located outside MRI room and exclusion zone as per facility protocol

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

Very low battery patient safety

Battery has 5 minutes or less of power at current consumption rate before operation stops.

Ranked causes

1. Battery critically low (common)

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

Error codes

Code	Meaning	Trigger	Severity
`Battery Discharged`	Operation of all modules stopped due to insufficient battery charge	Battery fully discharged	critical
`Channel Disconnected`	Module(s) disconnected while in operation or have communication problem	Module physically disconnected or communication loss	error
`Channel Error`	Error detected on affected module	Unspecified hardware or operational fault on module	error
`Defective Battery`	Battery detected as defective	Battery self-test or monitoring detects fault	error
`Hardware Detected Error`	Error detected on Point-of-Care Unit	Hardware self-test or monitoring detects fault on main unit	critical
`Maximum module limit exceeded`	More than 4 infusion or monitoring modules have been attached to system	Attempt to add 5th or additional module to Point-of-Care Unit	warning
`Missing Battery`	Battery not present or not connected	Battery monitoring detects no battery or loose connection	warning
`Module reidentification`	System reidentifies module positions when a new module is added or existing module is removed	Module added to left of other modules or module detached from system	info
`Power Supply Error`	Power supply system malfunction detected	AC power monitoring detects supply fault or overcurrent	critical
`SpO2 Error (Hardware Detected)`	Hardware failure detected in SpO2 monitoring	SpO2 sensor hardware malfunction	error
`SpO2 Error (Software Detected)`	Software-detected error in SpO2 monitoring	SpO2 sensor software fault detected	error
`Switchover`	Secondary module switching to primary or bolus switching to continuous	Primary module failure or mode change requested	warning
`System Error`	Error detected on Point-of-Care Unit; operation continues	Non-critical fault detected in system hardware or firmware	warning
`Very Low Battery`	Battery has less than 5 minutes of power remaining at current consumption rate	Battery charge below critical threshold	critical

Likely causes and actions for each code are in ServiceForge. Connect ServiceForge to your AI

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

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