Troubleshooting Guide
Troubleshooting
CH04
Display | Title | Cause of error | Check point & Normal condition | |
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| • The connection of wire(Drain pump/ Float switch) | |
04 | Drain pump | • Float switch Open. | • Drain pump power input. (220V) | |
/ Float switch | (Normal : short) | • Drain tube installation. | ||
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| • Indoor unit installation. (Inclination) | |
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CN Float
0Ω
Ω
Check the resistance
Check Point
1.Check the wire connection. (Open, Soldered poorly) → Repair the connection or change the PCB.
2.Check the resistance of float switch (Abnormal : Open, Normal : short) → Check the float switch.
3.Check the level of water
4.Check the volt. Of Drain pump power supply. (AC 230V) → Repair or Change the main PCB.
40Ceiling Cassette Air Conditioner
