Electrosurgical generators

ERBE ICC 200: troubleshooting and error codes

The ServiceForge knowledge base holds 20 documented symptoms for the ERBE ICC 200, with 22 ranked causes, 56 diagnostic checks with test points and expected values, and 62 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Calibration: HF generator output parameters high voltage

Adjustment of HF output voltage and current limitation on ICC electrosurgical generator to ensure correct power output and phase angle measurement.

Ranked causes

1. HF output voltage requires adjustment via TP3 (common)
2. HF current limitation requires adjustment via TP4 (common)

First check

Measure HF effective voltage in AUTO CUT field

Test point: AUTO CUT display, TP3 adjustment point
Expected: 223 volts HF effective voltage V, 220…223 V
Tools: APM 600 HF power meter set to 500 ohms

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

Calibration: HF generator output parameters amplified high voltage

Fine adjustment of amplified HF voltage and current measurement circuits for low-power output measurement (5 watts).

Ranked causes

1. Amplified HF voltage measurement requires adjustment via TP5 (common)
2. Amplified HF current measurement requires adjustment via TP6 (common)

First check

Verify 5 watts output at HF power meter before adjustment

Test point: APM 600 HF power meter display
Expected: 5 watts output W, 4.5…5.5 W
Tools: APM 600 HF power meter at 500 ohms

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

Calibration: Activation detection (MIC board) high voltage

Setting activation detection using trimming potentiometer TP2 in program 12 MIC

Ranked causes

1. Activation detection requires initial adjustment after instrument detection calibration (common)

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

Calibration: AUTO START delay time

Setting delay time between tissue contact detection and HF generator activation in AUTO START function

Ranked causes

1. AUTO START delay time requires adjustment for specific operation modes or per user program (common)

First check

Verify AUTO START 2 delay time setting (ICC 350)

Test point: Test program 23 display
Expected: 2 ≤ t ≤ 10 seconds in 0.5 second steps
Tools: Key 14, Up/Down keys

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

Calibration: Bipolar CUT function (MIEN probe) high voltage

Testing bipolar CUT function activation using MIEN probe with 15W Effect 3 setting

Ranked causes

1. MIEN bipolar CUT function requires calibration and verification (common)

First check

Measure bipolar CUT output power

Test point: MIC socket NE1 CUT, Effect 3 setting
Expected: 15 ± 3 W, ± 3 W
Tools: APM, 500 Ohm load

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

Calibration: Bipolar SOFT coagulation (MIEN probe) high voltage

Testing bipolar SOFT coagulation with no-load voltage measurement at 15W setting

Ranked causes

1. MIEN bipolar SOFT coagulation requires verification after CUT testing (common)

First check

Measure bipolar SOFT output power

Test point: MIC socket NE1 CUT, SOFT setting
Expected: 7 ± 2 W, ± 2 W
Tools: APM, 500 Ohm load

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

Calibration: CUT function (MIC program) high voltage

Testing CUT cutting function activation on MIC instrument with footswitch and power measurement

Ranked causes

1. CUT function requires testing after instrument and activation detection adjustment (common)

First check

Measure CUT function output power

Test point: MIC socket NE1 and CUT pin
Expected: 40 ± 15 % W, ± 15 %
Tools: APM (Automatic Power Meter), 500 Ohm load

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

Calibration: Display brightness (7-segment)

Adjusting brightness intensity of 7-segment display indicators in 10 stages via test program 17

Ranked causes

1. Display brightness requires adjustment for optimal visibility in different room lighting conditions (common)

First check

Observe 7-segment display intensity at current setting

Test point: 4-line display showing AUTO CUT/AUTO COAG 1/AUTO COAG 2/AUTO BIPOLAR
Expected: Intensity from 1–10, adjustable

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

Calibration: Instrument detection (MIC board) high voltage

Setting instrument detection resistor value to proper range using trimming potentiometer TP1 in program 12 MIC

Ranked causes

1. Instrument detection requires calibration during setup or after component replacement (common)

First check

Measure instrument detection I value with 51 Ohm resistor connected

Test point: Measurement display in AUTO CUT/AUTO COAG 1 view
Expected: 52, at set value
Tools: Program 12 MIC display

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

Calibration: Monopolar coagulation FORCED function high voltage

Testing FORCED coagulation activation at specified power setting with high load resistance

Ranked causes

1. FORCED coagulation function requires verification after SOFT testing (common)

First check

Measure FORCED coagulation output power

Test point: MIC socket NE1
Expected: 60 ± 15 % W, ± 15 %
Tools: APM, 350 Ohm load

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

Calibration: Monopolar coagulation SOFT function high voltage

Testing SOFT coagulation activation with blue footswitch at specified power setting

Ranked causes

1. SOFT coagulation function requires verification after CUT testing (common)

First check

Measure SOFT coagulation output power

Test point: MIC socket NE1
Expected: 120 ± 15 % W, ± 15 %
Tools: APM, 75 Ohm load

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

Calibration: Neurotest board feedback frequency high voltage

Set feedback frequency of output current measurement via trimming potentiometer TP1 on Neurotest board EE 30128-070. Requires 1 kOhm 0.5W 1% test resistor at output.

Ranked causes

1. Neurotest board EE 30128-070 requires feedback frequency adjustment (common)

First check

Measure feedback frequency of output current at MP7

Test point: MP7 (reference ground MP6)
Expected: 73 Hz at SPH intensity 3, +/-10 Hz
Tools: Frequency meter

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

Calibration: Neurotest constant-current circuit output high voltage

Performance test of constant-current output circuit. Connect 1 kOhm test resistor and 50 kOhm potentiometer in series at Neurotest output. Measure square-wave voltage on 1 kOhm resistor (1 mA = 1 V).

Ranked causes

1. Neurotest constant-current source requires output current verification (common)

First check

Measure square-wave peak output current at SPH 1

Test point: 1 kOhm test resistor
Expected: 5 mA, 3.75–6.25 mA (±25%)
Tools: Oscilloscope, DMM

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

Calibration: Neurotest electronic fuse protection high voltage

Performance test of electronic fuse protection. Excess dose triggers fuse via transistor T3. Test by activating Neurotest and briefly connecting MP9 to MP2. Fuse should respond without blowing microfuse.

Ranked causes

1. Electronic fuse protection circuit requires functional verification (common)

First check

Activate Neurotest and briefly connect MP9 to MP2

Test point: MP9, MP2
Expected: Electronic fuse trips; error code appears

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

Calibration: Neurotest LED activation control

Test HF and NT LED activation. HF LED lights only at intensity 0. At intensities 1–5, NT LED controlled by CPU; HF LED must not light. On TUR version, HF inhibited at 1–5. On ZMK version, HF still possible.

Ranked causes

1. LED activation control requires verification per device version (common)

First check

Set intensity to 0 and verify HF LED on

Test point: HF LED on remote control
Expected: HF LED illuminated at intensity 0

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

Calibration: Neurotest output error monitoring high voltage

Performance test of output error monitoring function. Connect 1 kOhm 0.5W 1% test resistor at Neurotest output, set SPH 1, activate unit and verify error message on circuit interruption.

Ranked causes

1. Output error monitoring circuit requires verification (common)

First check

Set intensity to SPH 1 and activate Neurotest

Test point: Neurotest output
Expected: Unit activated; output current flowing

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

Calibration: Phase angle (cos Phi) high voltage

Adjustment of phase angle measurement between HF voltage and current using capacitive test load to verify analog/digital converter accuracy.

Ranked causes

1. Phase angle measurement via TP7 requires calibration (common)

First check

Connect APM 600 to ICC output with 1 nF capacitive test load

Test point: Active electrode (CUT/COAG 2) and NE sockets
Expected: Capacitor creates 45° phase shift at 340 kHz frequency
Tools: APM 600, ERBE original cable, 1 nF capacitor EE 51103-026 with short lines

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

Calibration: Protective circuit voltage limitation (MIEN) high voltage

Testing protective circuit voltage limiting function at different HF output voltage settings on MIEN program

Ranked causes

1. Protective circuit voltage limiting requires verification to ensure proper fuse operation and diode protection (common)

First check

Measure highest HF peak voltage at Effect 3 (15W) setting

Test point: MIC output socket NE1 and CUT with oscilloscope
Expected: 340 Vp max without limitation
Tools: Oscilloscope

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

Calibration: Remote control feedback frequency for Neurotest

Set feedback frequency of remote control intensity setting via trimming potentiometer TP1 on board EE 30121-442. Measure frequency at Pin 1 of AD654 IC1. Setting at intensity 5: 38.0 Hz (–0.5, +0.0).

Ranked causes

1. Remote control intensity frequency requires adjustment (common)

First check

Measure frequency at Pin 1 AD654 IC1 for intensity 1

Test point: Pin 1 AD654 IC1 (reference ground MP6)
Expected: 7 Hz, 5–10 Hz
Tools: Frequency meter

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

Calibration: Remote control LED display for Neurotest

Test HF LED and NT LED activation on remote control board EE 30121-442. HF LED at intensity 0 via rotary switch. NT LED at intensities 1–5 via CPU; lights only when feedback frequency in valid range.

Ranked causes

1. Remote control LED display requires functional verification (common)

First check

Set intensity 0 and verify HF LED on

Test point: HF LED on remote control
Expected: HF LED illuminated

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

Error codes

Code	Meaning	Trigger	Severity
`1`	No HF voltage present at the HF voltage sensor	Error in the HF generator or short circuit in accessories	error
`10`	Error during activation of AUTO CUT, no valid front panel setting	Invalid control panel setting	error
`11`	Error during activation of AUTO COAG 1 or AUTO COAG 2, no valid front panel setting	Invalid control panel setting	error
`12`	Error during activation of AUTO BIPOLAR, no valid front panel setting	Invalid control panel setting	error
`13`	Error during activation of AUTO CUT; NE impedance out of range	Neutral electrode impedance measurement error	error
`17`	HF leakage current > 300 mA during activation	Excessive HF leakage current detected	error
`18`	HF leakage current between 150 and 300 mA during activation	Elevated HF leakage current detected	warning
`19`	NESSY current density error during AUTO CUT or AUTO COAG activation	Current density monitoring failure	error
`2`	HF output voltage too high	Error in the HF generator	error
`20`	NESSY current symmetry error; unequal current in NE joint phases	Current symmetry monitoring failure	error
`21`	Current symmetry error	Asymmetric current detected	error
`22`	AUTO CUT switched on when switching on power	Fingerswitch or footswitch activated during power-on	error
`23`	AUTO COAG 1 switched on when switching on power	Fingerswitch or footswitch activated during power-on	error
`24`	AUTO COAG 2 switched on when switching on power	Footswitch activated during power-on	error
`25`	AUTO BIPOLAR switched on by footswitch when switching on power	Footswitch activated during power-on	error
`26`	Contact detected when switching on power; contact monitor is active	Short circuit detected during power-on	error
`27`	Overheating; internal unit temperature > 100°C	Excessive internal temperature	warning
`28`	Activation signal for blue footswitch button already on	Blue footswitch button detected as pressed during activation	error
`29`	Double activation detected (Spanish version)	Further activation signal detected during activation	error
`3`	Switched-mode power supply unit supplies no voltage during activation	Error in the switched-mode power supply unit	error
`30`	Mismatch; load resistance < 50 ohms for > 5 seconds	Low load resistance detected during operation	error
`31`	Mismatch; output power > 100 watts and load resistance remains < 300 ohms	Excessive output power with low load resistance	error
`32`	Multiple activation detected	Simultaneous activation from multiple sources	error
`33`	New activation signal immediately appears at end of activation	Immediate re-activation detected	error
`34`	Multiple activation detected during AUTO BIPOLAR	Simultaneous activation during AUTO BIPOLAR	error
`35`	New activation signal during AUTO BIPOLAR with AUTO STOP or AUTO START	Simultaneous activation detected during AUTO BIPOLAR mode	error
`36`	AUTO START signal already present when pressing BIPOLAR AUTO START key	Duplicate AUTO START signal	error
`37`	Power supply unit voltage has not dissipated at activation time	Power supply discharge failure	error
`38`	Contact resistance < 6 ohms during AUTO START activation	Low contact resistance detected	error
`4`	Switched-mode power supply unit supplies too high a voltage upon ST generator activation	Error in the switched-mode power supply unit	error
`40`	ST generator time control output error; actual value > set value plus 20%	Time control monitoring deviation detected	error
`41`	ST generator time control output error; actual value < set value minus 20%	Time control monitoring deviation detected	error
`42`	ST generator time control output error; actual value > set value minus 40%	Time control monitoring deviation detected	error
`43`	ST generator time control monitor error; no frequency feedback	Frequency feedback loss	error
`44`	ST generator output voltage monitor error	Output voltage monitoring failure	error
`45`	HF generator error during self-check; HF output voltage too low	Self-check failure	error
`46`	Self-check error within permissible limits; power supply versus HF voltage mismatch	Self-check comparison failure	error
`47`	HF generator self-check error outside permissible limits	Self-check comparison failure	error
`48`	No signal from output current monitor	Current monitoring failure	error
`5`	LF leakage current > 50 µA flowing into unit via neutral electrode	Patient positioning issue or defective equipment connected to patient	warning
`50-70`	Key on front panel is depressed during power start-up phase	Front panel key activation during startup	error
`6`	Safety shutoff feature output reports ON during activation phase	Malfunction during activation	error
`7`	Safety shutoff feature output reports OFF during activation phase	Malfunction during activation	error
`71`	Interface error for ICC 350 DOKU; start/stop bit or number of bits incorrect	Serial communication error	error
`72`	Interface error for ICC 350 DOKU; signal in receiving register not read out	Data reception failure	error
`73`	Interface error for ICC 350 DOKU; parity sign placed incorrectly	Parity check failure	error
`74`	Interface error for ICC 350 DOKU; no connection to PC available	PC connection loss	error
`75`	Interface error for ICC 350 DOKU; sign stays in transmitter buffer; SIO module not transmitting	Data transmission failure	error
`76`	Interface error for ICC 350 DOKU; storage takes too long; hard disk too slow	Data storage latency	error
`80`	ICC 350 NEUROTEST; no valid frequency for 5-stage intensity setting	Frequency configuration error	error
`81`	ICC 350 NEUROTEST; intensity setting set to 0 during activation	Invalid intensity configuration	error
`82`	ICC 350 NEUROTEST; NESSY measurement NE impedance > 120 ohms	Neutral electrode impedance measurement failure	error
`83`	ICC 350 NEUROTEST; output current too high but within permissible limits	Current level monitoring	warning
`84`	ICC 350 NEUROTEST; output current too high outside permissible limits	Excessive output current	error
`85`	ICC 350 NEUROTEST; no output current; circuit interruption or frequency feedback failure	Output current loss	error
`86`	ICC 350 NEUROTEST; output current too low but within permissible limits	Insufficient output current	warning
`87`	ICC 350 NEUROTEST; output current too low below permissible limit	Excessive current reduction	error
`88`	ICC 350 NEUROTEST; maximum time limit has run out	Continuous operation exceeds time limit	warning
`89`	ICC 350 NEUROTEST; activation signal already present when switching on power	Premature activation signal on startup	error
`9`	Maximum continuous time limit exceeded	Unit activated for too long continuously	warning
`90`	ICC 350 NEUROTEST; electronic fuse triggered or frequency feedback system failed	Protection activation or feedback loss	error
`91`	ICC 350 NEUROTEST; electronic fuse not triggered or frequency feedback system failed after intensity adjustment	Protection circuit or feedback failure during setup	error

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.