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Multi F Four-Way Ceiling Cassette Service Manual

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Part 5. Trouble Shooting
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Only for training and service purposes
LGE Internal Use Only
Display
code
Title Cause of error Check point & Normal condition
60
Incorrect checksum of out-
door unit PCB EEPROM
• Outdoor unit PCB
EEPROM misapplied
• Outdoor unit PCB
EEPROM poor assmbly
EEPROM assembly
<EEPROM Direction Check Point>
• Inspecting Outdoor EEPROM Assembly Status
1. Check the consistency of the EEPROM’s direction
inserted in the PCB and the EEPROM marking.
Replace EEPROM
Yes
WARNING
Before checking PCB or each outdoor electric parts, wait for 3 minutes after the power is off. When measuring at standby state
of power supply, after checking the measurement mode of the meter, be careful of the short-circuits with other parts.