LG AS-W2463RH2 Manuals page 65

3) Troubleshooting CH22
Display
Title
code
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)
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Only for training and service purposes
Cause of error
Initial current error
V
Check point & Normal condition
Malfunction of current detection circuit.
(Open / Short)
The voltage of "C01N" Is 4.0Vdc(25A) .
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Troubleshooting Guide
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LGE Internal Use Only