Causes: Low-voltage power supply failure Cause Failure in low voltage power supply PCB
Remedy: - Replace the low voltage power supply PCB - Replace the DC controller PCB
Code: E840-0000
Description: Error in pressure release system
Causes: Control home position (in pressured condition) cannot function after the home position control is started. Cause Failure in fixing drive assembly, failure in fixing pressure release cam.
Remedy: - Replace the fixing drive assembly - Replace the fixing pressure release cam - Check gears related to fixing pressure release. - Replace the Fixing Pressure Release Sensor (SR9) - Check the connection of the connector.