Troubleshooting - 3M Bair Hugger 750 Service Manual

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TM TM
Bair Hugger Model 750 Temperature Management Unit Service Manual

Troubleshooting

The model 750 software routinely checks unusual operating conditions� If such a condition occurs, the system
may trigger a fault condition and alarm� The warming unit can be reset by disconnecting the warming unit
from the main power source, allowing 30-60 seconds for the system to reset� If the fault condition reoccurs
upon connection to the main power source, the unit may have a hard-fault or permanent error�
Call Technical Support for Replacement Parts at 1-800-733-7775�
English 202522A
Fault Code Possible Cause
FC-001
Faulty hose end sensor at
patient end�
FC-002
FC-003
Faulty elbow sensor�
FC-004
FC-005
Hose disconnected from
FC-006
unit�
FC-007
FC-008 Faulty heater element or
faulty control board�
FC-009
FC-010
FC-050 Defective user interface�
FC-053, 054 EEPROM error�
FC-070 Various
FC-071
FC-100 Defective control board�
FC-101
Solution
Replace hose� Refer to service manual or IFU
included with replacement part for instructions�
Replace elbow sensor� Refer to IFU included with
replacement part for instructions�
Reattach hose�
Calibrate and return to service�
• V erify fan runs in ambient.
• C heck continuity of J4 connector on control
board�
White to black
White to blue
White to yellow
If "open", replace heater� Otherwise, replace
control board�
• Calibrate and return to service.
Replace user interface�
• Calibrate and return to service.
Reset microprocessor�
(Press the Bair Hugger logo and Standby button
at same time while connected to power source�
Release buttons when Standby light remains on)�
Calibrate and return to service�
Contact 3M Patient Warming technical service�
Replace control board�
Calibrate and return to service�
www.bairhugger.com reorder #202522A
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