Troubleshooting
1. IPM Continuity Check
WARNING
Electricity remains in capacitors even when the power supply is off.
Ensure the capacitors are fully discharged before troubleshooting.
1. Turn off outdoor unit and disconnect power supply.
2. Discharge electrolytic capacitors and ensure all energy-storage unit has been discharged.
3. Disassemble outdoor PCB or disassemble IPM board.
4. Measure the resistance value between P and U(V, W, N); U(V, W) and N.
Digital tester
Resistance value
Digital tester
Resistance value
(+)Red
(-)Black
∞
(Several M
Ω
)
(+)Red
(-)Black
∞
(Several M
Ω
)
P
N
U
N
U
V
V
W
W
-
37
Summary of Contents for COLONNA CLN130R
Page 3: ......
Page 6: ......
Page 7: ...Contents 1 Precautions 2 2 Information servicing For flammable materials 3 Safety Precautions...
Page 19: ...Specifications 7...
Page 20: ...Outdoor unit printed circuit board diagram 17122000041841 Specifications 8...
Page 22: ...Outdoor unit DC motor driver board diagram 17122000021912 5 6 1 2 3 4 Specifications 10...
Page 41: ...Indoor Unit Disassembly 2 1 Dimension...
Page 57: ...Outdoor Unit Disassembly 3 2 Dimension UECS130R...
Page 100: ...For some models 33...