LG LCU240CP Service Manual - Page 46
Troubleshooting CH51, CH60
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Troubleshooting Guide Troubleshooting CH51, CH60 Display code 51 Title Capacity Error Cause of error • Over Capacity Combination • Undder Capacity Combination EEPROM 60 Check sum • Check sum error Check point & Normal condition • Check the indoor unit capacity. • Check the combination table. • Check the PCB ASM P/No. • Check the poor soldering. Check Point • CH 51 1. Check the indoor unit capacity. • CH 60 1. Check the insertion condition of EEPROM. 2. Check the poor soldering 46 Ceiling Cassette Air Conditioner
46
Ceiling Cassette Air Conditioner
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