Check code
1302
(UE)
High pressure trouble
●Diagnosis of defects
Make sure to turn the power OFF before connecting/disconnecting any connectors, or replacing boards.
Diagnosis
Remedy
Chart 4 of 4
No
No
Yes
Yes
Continued from the previous page.
Is the voltage(*) detected?
Replace the SV1.
Replace the 63HS.
Replace the outdoor multi controller circuit
board.
Is the connector for outdoor
multi controller circuit board 63H
disconnected or loose?
Reconnect the connector or connect it tightly.
Check the 63HS voltage.
Is the resistance detected?
Yes
No
54
55
OCH668G
*For the voltage, refer to "8-6. HOW
TO CHECK THE COMPONENTS".