Description: FGATE ON error The FGATE signal does not assert within the prescribed time. (The bridge board generates the FGATE signal and sends it to the LD unit when the registration sensor switches on.)
Description: FGATE OFF error The FGATE signal does not assert within the prescribed time. (The bridge board generates the FGATE signal and sends it to the LD unit when the registration sensor switches on.)
Description: LD error The bridge board detected a problem at the LD unit.
Causes: • Worn-out LD • Disconnected or broken harness of the LD.
Remedy:
Code: 270
Description: GAVD communication error • The I2C bus device ID is not identified during initialization. • A device-status error occurs during I2C bus communication. • The I2C bus communication is not established due to an error other than a buffer shortage.
Description: Charge roller bias leak A charge roller bias leak signal was detected.
Causes: • Charge roller damaged • High voltage supply board defective • PCDU harness defective or disconnected
Remedy:
Code: 304
Description: Charge roller bias correction leak The charge roller bias correction is performed twice even if the maximum charge roller bias (-2000V) is applied to the roller.