Causes: 43 to 57Hz could not be detected continuously for more than 5 seconds when zero cross detection started.
Remedy: Check the contact of the connector between the fixing assembly and the low-voltage power supply PCB. Replace the low-voltage power supply PCB.
Code: E012-0002
Description: ITB motor or drum motor failure
Causes: Yellow drum motor error (Failure in drum motor initial operation) The target speed was not reached within a specified time after startup of the motor
Remedy: Check the contact of the connector between the drum motor (J515) and the DC controller PCB (J81). Replace the drum motor. Replace the main drive assembly.
Code: E012-0003
Description: ITB motor or drum motor failure
Causes: Yellow drum motor error (Failure in drum motor rotation) The motor rotated out of the target speed during rotation after the target speed was reached.
Remedy: Check the contact of the connector between the drum motor (J515) and the DC controller PCB (J81). Replace the drum motor. Replace the main drive assembly
Code: E012-0004
Description: ITB motor or drum motor failure
Causes: Magenta drum motor error (Failure in drum motor initial operation) The target speed was not reached within a specified time after startup of the motor.
Remedy: Check the contact of the connector between the drum motor (J515) and the DC controller PCB (J81). Replace the drum motor. Replace the main drive assembly.
Code: E012-0005
Description: ITB motor or drum motor failure
Causes: Magenta drum motor error (Failure in drum motor rotation) The motor rotated out of the target speed during rotation after the target speed was reached.
Remedy: Check the contact of the connector between the drum motor (J515) and the DC controller PCB (J81). Replace the drum motor. Replace the main drive assembly.