Error Code 6400 [A0] (Fixing Heater Lamp Control Zero-Cross Signal Detection Error); Error Code F0 [F0] - Kyocera FS-6020 Service Manual

FS-6020

(1-6) Error code 6400 [A0] (fixing heater lamp control zero-cross signal detection error)

Detection conditions
• The zero-cross signal (ZCROSS) that is output from the power source PWB and input to the CPU on the engine/high
voltage PWB is not input for a specified time.
Corrective measures
* Possible defective locations
(causes)
• Engine/high voltage PWB
• Power source PWB
• Replace either or both of the power source PWB and the engine/high voltage PWB. (See pages 1-6-29 and 26.)
(1-7) Error code F0 [F0] (communication error between the operation panel PWB and main PWB)
Detection conditions
• Serial communication between the operation panel PWB and the main PWB malfunctions.
Corrective measures
the main PWB and the operation panel
PWB or improper connection at the YC1
Replace the main PWB. (See
page 1-6-25.)
1-5-8
* Possible defective locations
Start
(causes)
• Main PWB
• Operation panel PWB
Is there any damage to
the harness (S02812) between
connector on the operation
panel PWB?
Yes
No
OK?
Yes
Replace the operation panel PWB.
End
No
If any problem is found on the
harness or the connector,
repair or replace it.
No
OK?
Yes
Replace the main PWB. (See
page 1-6-25.)
End