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Service Manual 45
Troubleshooting Guide
Troubleshooting CH51, CH60
51
60
Capacity Error
EEPROM
Check sum
• Over Capacity
Combination
• Undder Capacity
Combination
• Check sum error
• Check the indoor unit capacity.
• Check the combination table.
• Check the PCB ASM P/No.
• Check the poor soldering.
Display
code
Title Cause of error Check point & Normal condition
Check Point
• CH 51
1. Check the indoor unit capacity.
• CH 60
1. Check the insertion condition of EEPROM.
2. Check the poor soldering