Panasonic KX-FL612CX Service Manual page 87

KX-FL612CX / KX-FL612CX-S
6.5.6.4. CALL SERVICE 4
"CALL SERVICE 4" means that the FAN does not run or the running of the FAN cannot be detected normally.
The running of the FAN is detected by IC 605-91pin. "CALL SERVICE 4" is displayed when it detects NG five times continuously.
After repairing, copy five times.If "CALL SERVICE 4 " is displayed,check again.
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