LG LCN340CP 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

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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