Eh 0E(Water-Level Alarm Malfunction Diagnosis And Solution) - Mars Comfort-Aire Century VCD-SA Series Service Manual

7.6

EH 0E(Water-Level Alarm Malfunction Diagnosis and Solution)

Description: If the sampling voltage is not 5V, the LED displays the failure code.
Recommended parts to prepare:
• Connection wires
• Water-level switch
• Indoor PCB
Power off, then restart the unit 2 minutes
Replace the indoor main PCB
later.
Does a problem
remain?
YES
Is the water-level switch
inserted properly?
YES
If the water-level switch is
broken?
YES
 Troubleshooting 29
The unit is operating normally.
NO
Insert the water-level switch
NO
properly
Replace the water-level switch
NO

Service Manual - VCDxxSA