Ricoh Pro 8320 - 526-01: Grip Motor 1 Rotation Error; 526-02: Grip Motor 2 Rotation Error

1.SC Codes
157
Error Condition
Heat pipe motor error is detected.
Major Cause
 There is excessive torque on the heat pipe unit (such as overload due to locked bearing).
 Heat pipe motor connector is disconnected.
 Heat pipe motor (BLM12) is defective.
 Harness is broken.
 IOB is defective.
Solution
1. Check if the heat pipe unit is overloaded (foreign objects in the unit, bearing locked or stuck).
2. Check the connector of the heat pipe motor and the harness of the IOB connector (connector
floating or disconnected)
3. Replace the heat pipe motor (BLM12).
4. Replace the harness of the heat pipe motor.
5. Replace the IOB.
SC526-01 to 02
Error Name
 526-01: Grip Motor 1 Rotation Error
 526-02: Grip Motor 2 Rotation Error
Pattern
D
Error Condition
Rotation error of the grip motor is detected.
Corresponding motors:
 526-01: 1st Grip Motor
 526-02: 2nd Grip Motor
Major Cause
 Connector is disconnected.
 Harness is damaged.
 Motor is defective.
 Control board is defective.
Solution
1. Check the harnesses of the grip motor connector and the control board connector. (connector