LG AMNH076LQL0 Service Manual page 180
Multi type
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- Service manual (249 pages) ,
- Manuals (254 pages) ,
- Product data (78 pages)
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Troubleshooting Guide
3) Troubleshooting CH04
Display
Title
code
Drain pump
04
/ Float switch
CN Float
Ω
0
Ω
Check the resistance
Check Point
1. Check the wire connection. (Open, Soldered poorly)
2. Check the resistance of float switch (Abnormal : Open, Normal : short)
3. Check the level of water
4. Check the volt. Of Drain pump power supply. (AC 230V)
180 Multi type Air Conditioner
Cause of error
• Float switch Open.
(Normal : short)
CN-Float
Repair the connection or change the PCB.
Repair or Change the main PCB.
Check point & Normal condition
• The connection of wire(Drain pump/ Float switch)
• Drain pump power input. (220V)
• Drain tube installation.
• Indoor unit installation. (Inclination)
Check the float switch.
CN-D/PUMP
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Table of Contents
Troubleshooting
