LG AMNH076LQL0 Service Manual page 183
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- Service manual (249 pages) ,
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6) Troubleshooting CH22
Display
Title
code
21
Max. C/T
C/T
22
Internal circuit
Check Point
1. Check the power source.
2. Check the fan operation is right.
3. Check the current.
4. Check the install condition.
5. Check the internal circuit. (C/T, Diode, Resistor)
Cause of error
Over current (14A )
Initial current error
V
Troubleshooting Guide
Check point & Normal condition
Malfunction of compressor
Blocking of pipe
Low voltage input
Refrigerant, pipe length, blocked, ...
Malfunction of current detection circuit.
(Open / Short)
The voltage of "C01N" Is 4.0Vdc(25A) .
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Service Manual 183
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Table of Contents
Troubleshooting
