Service Call Conditions - Ricoh Grand Kingfisher A245 Service Manual

26 September 1997

13. SERVICE CALL CONDITIONS

Only the following SC codes have been changed or added from the base
copier.
(SC codes 14 and 96 were not listed in the base copier's service manual,
and a RTB has been released.)
CODE #14 — ZERO CROSS SIGNAL ERROR 2
- Definition -
•
The detected current is not 50 or 60 Hz.
- Possible Causes -
•
Defective main control board
•
Defective ac drive/dc power supply board
•
Zero cross line open
•
CN101 on the main control board or CN207 on the ac drive/dc power
supply board is not correctly connected.
•
Power line not stable
CODE #52 — FUSING ERROR 1
- Definition -
•
The temperature detected by the thermistor does not reach 100°C
within 35 (NA) or 43 (EU) seconds after the main switch is turned on.
To clear this error, refer to note 3 at the beginning of this chapter
in the base copier's manual.
- Possible Causes -
•
Defective fusing thermistor
•
Fusing lamp open
•
Defective ac drive/dc power supply board
•
Defective main control board
•
CN101 on the main control board or CN207 on the ac drive/dc power
supply board is not correctly connected.
SERVICE CALL CONDITIONS
49