Ec 0D(Outdoor Unit Malfunction Diagnosis And Solution) - Mars Comfort-Aire Century VCD-SA Series Service Manual

Service Manual - VCDxxSA
Check the fastening screws on the
PCB and IPM radiator.
Replace the outdoor
Are they
YES
fixed tightly?
control PCB.
NO
Tighten the screws and apply
silicon grease.

7.12 EC 0d(Outdoor unit malfunction Diagnosis and Solution)

Description: The indoor unit detect the outdoor unit is error.
Recommended parts to prepare:
• Outdoor unit
Troubleshooting and repair:
Power off, then restart the unit 2
minutes later. Does the outdoor main
Is the main board
No
board display an error code a few
displaying an error?
minutes later?
Yes
Yes
Refer to the prescribed
steps for resolving the
issue
 Troubleshooting 35 