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SG-38MARB-01 Specifications subject to change without notice.
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DIAGNOSIS AND SOLUTION (CONT)
Communication Error Between Outdoor Main Chip and Compressor Driven Chip (PC40)
Description:
The main chip cannot detect the compressor driven chip.
Recommended parts to repair:
• Outdoor PCB
• Electric control box
Troubleshooting
YES
NO
NO
Turn off the power.
Wait 2 minutes then turn back on.
Is it still displaying
the error code.
Replace the outdoor main board.
Can the system
operate normally?
Problem solved.
Replace the electric control box.