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Service Manual SM-Inverter_(i)
34
Troubleshooting
Reconnect
Replace the 4 way
valve coil
No
Yes
Check the continuity of the 4 way
valve coil and harness
Disconnect the harness
from the connector.
Resistance between
harness about 3k
Ω
?
Reconnect
Replace outdoor
unit PCB
Check the 4 way valve
switching output.
Functioning?
No
Yes
No
Yes
Any thermsistor
disconnected?
Thermistor
functioning?
Refrigerant line
blockage or
shortage?
Replace the defective
thermsistor
Correct the problem
Replace the 4 way valve
Yes
No
No
Yes
Yes
No
4 way valve coil or
harness disconnected /
loose ?
Summary of Contents for SM-12-012
Page 1: ...Service Manual SM Inverter_ i Air Conditioners Service Manual Split Inverter SM 12 012...
Page 22: ...Service Manual SM Inverter_ i 22...
Page 26: ...Service Manual SM Inverter_ i 26...
Page 45: ...Service Manual SM Inverter_ i 45 Troubleshooting...
Page 47: ...Service Manual SM Inverter_ i 47...
Page 50: ...Service Manual SM Inverter_ i 50 ATXN FTXN 50 60 LV1B 9 ARXN RXN50 60 LV1B 9...
Page 51: ...Service Manual SM Inverter_ i 51 Refrigerant Diagram ATXN FTXN 25 35 50 60 LV1B 9...