Panasonic CS-CE9PKE Service Manual page 63

15.4.12 H33 (Unspecified Voltage between Indoor and Outdoor)
Malfunction Decision Conditions
•
The supply power is detected for its requirement by the indoor/outdoor transmission.
Malfunction Caused
•
Wrong models interconnected.
•
Wrong indoor unit and outdoor unit PCBs used.
•
Indoor unit or outdoor unit PCB defective.
Troubleshooting
When abnormality indication starts again
Check indoor and outdoor units model number
Is indoor unit and outdoor unit model numbers matched?
Check the indoor and outdoor PCB part number and compare
if they matched part list
Change for the specified indoor or outdoor unit PCB
NO
63
For safety reason and to prevent
component breakdown, always switch
off the power before remove and
connect the component.
NO
Match the compatible model (follow specification)
YES
Replace the indoor and outdoor unit PCB