Ricoh FT5233 Service Manual page 858

12 February 1992
17.5 CODE # H5 – GRIP MOTOR ERROR
- Definition -
When the grip motor moves forward or backward, the grip H.P. sensor output
takes over 250 msec to change.
- Possible Causes -
•
The grip H.P. sensor is defective
•
The grip motor is defective
•
The timing belt is not fixed
•
The main control board is defective
- Action -
Turn the main switch off and on.
Does the grip motor turn when the main switch is turned on?
Yes No
Check the continuity between CN160 and CN510 through CN550.
Good
Check the continuity of the grip motor.
Good
Replace the main control board.
Is the grip H.P. sensor actuator attached to the timing belt?
Yes No
Attach the actuator to the timing belt.
Check the grip H.P. sensor. (between CN185-8 and the ground)
Good
≤ 1.0 V
≥ 4.0 V
No good
Repair the harness.
No good
Replace the grip motor.
No good
> 1.0 V
< 4.0 V
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SERVICE CALL CONDITIONS