Remedy: 1. Check the connection of the Sub Fan. 2. Replace the Sub Fan. 3. Replace the DC Controller PCB.
Code: E808-0001
Description: Low-voltage power supply failure
Causes: Low-voltage power supply failure was detected.
Remedy: 1. Check the connection of the Low Voltage Power Supply PCB or the connector. 2. Replace the Low Voltage Power Supply PCB.
Code: E840-0000
Description: Fixing disengagement error
Causes: Fixing pressure release mechanism error
Remedy: 1. Check the connector between the Fixing Assembly and the Fixing Power Supply PCB. 2. Replace the Fixing Assembly. 3. Replace the Fixing Power Supply PCB.