172 S850 Operation & Maintenance Manual
DIAGNOSTIC SERVICE CODES (CONT'D)
Service Codes List (Cont’d)
CODE DESCRIPTION CODE DESCRIPTION
M3506 Hydraulic fan short to ground M5902 DPF regeneration switch error ON
M3507 Hydraulic fan open circuit M6002 DPF inhibit regeneration switch error ON
M3532 Hydraulic fan overcurrent M6102 Remote parked regeneration switch error ON
M3705 Two-speed second output short to battery M6402 Switched power relay error ON
M3706 Two-speed second output short to ground M6403 Switched power relay error OFF
M3707 Two-speed second output open circuit M6505 ECU power short to battery
M3732 Two-speed second output overcurrent M6506 ECU power short to ground
M3805 Auxiliary hydraulic lock short to battery M6507 ECU power open circuit
M3806 Auxiliary hydraulic lock short to ground M6604 ECU no communication
M3807 Auxiliary hydraulic lock open circuit M6702 HVAC output error ON
M3832 Auxiliary hydraulic lock overcurrent M6703 HVAC output error OFF
M4109 Alternator too low M6707 HVAC output open circuit
M4110 Alternator high M6728 HVAC output failure
M4111 Alternator extremely high M6802 HVAC relay error ON
M4304 Keyless panel no communication M6803 HVAC relay error OFF
M4404 Auxiliary no communication M7002 Switched power output error ON
M4510 Water in fuel sensor too high M7003 Switched power output error OFF
M4511 Water in fuel sensor extremely high M7007 Switched power output open circuit
M4521 Water in fuel sensor out of range high M7028 Switched power output failure
M4522 Water in fuel sensor out of range low M7304 Remote control no communication
M4621 5 volt sensor supply out of range high M7316 Remote control no communication to transmitter
M4622 5 volt sensor supply out of range low M7423 Main controller not programmed
M4721 8 volt sensor supply out of range high M7472 Main controller needs programming
M4722 8 volt sensor supply out of range low M7497 Main controller programmed
M4802 Front light relay error ON M7504 Drive no communication
M4803 Front light relay error OFF M7604 Left display panel no communication
M4902 Rear light relay error ON M7748 Key switch multiple
M4903 Rear light relay error OFF M7839 Hourmeter changed
M5002 Front light output error ON M7974 Door open
M5003 Front light output error OFF M8541 DPF automatic regeneration active
M5007 Front light output open circuit M8542
DPF automatic regeneration active (Operate
machine under load)
M5028 Front light output failure M8551 DPF regeneration needed - inhibit active
M5102 Rear light output error ON M8552
DPF regeneration needed - inhibit active
(Operate machine under load)
M5103 Rear light output error OFF M8553
DPF remote parked regeneration required
(Remote regeneration kit required)
M5107 Rear light output open circuit M8554
DPF service regeneration required (Contact
Bobcat dealer)
M5128 Rear light output failure M8555 DPF service required
M5202 Press to operate button error ON M8560 DPF service regeneration active
M5221 Press to operate button out of range high M8561 DPF service regeneration active
M5222 Press to operate button out of range low M8562 DPF service regeneration active
M5305 Press to operate light short to battery M8563 DPF service regeneration active
M5306 Press to operate light short to ground M8564 DPF service regeneration active
M5405 Tilt spool lock short to battery M8615 Engine speed derate in shutdown
M5406 Tilt spool lock short to ground M8625 Engine speed derate unresponsive
M5407 Tilt spool lock open circuit
M5432 Tilt spool lock overcurrent R7404 Main controller no communication
Dealer Copy -- Not for Resale
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