Panasonic KX-FL403UA Service Manual ▷ View online
6.5.6.2. CALL SERVICE 2
"CALL SERVICE 2" means that the synchronous signal out of the LSU cannot be detected.
The synchronous signal out of the LSU is detected by IC106-33pin. (XHSYNC)
Note:
As for the "Pulse" waveform of the above flow chart, see the timing chart.
89
KX-FL403UA
6.5.6.3. CALL SERVICE 3
"CALL SERVICE 3" means that the temperature of the fuser does not rise up to or exceed a constant temperature.
The temperature is monitored with the thermistor inside the fuser and detected with the voltage input into IC 106-4pin.
*When Call Service 3 is occurred, the cause can be distinguished.
Refer to page 80 for details.
90
KX-FL403UA
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 107-91pin. "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.
91
KX-FL403UA
6.5.6.5. CALL SERVICE 6
“CALL SERVICE 6” indicates that abnormal charge voltage is output from the high voltage unit.
92
KX-FL403UA
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