127
Service Manual
(4) Start-up failure (following AP1 for outdoor unit control board)
Mainly detect:
●Whether the compressor wiring is connected correct?
●Is compressor broken?
●Is time for compressor stopping enough?
Fault diagnosis process:
Y
N
Y
N
N
Y
Y
N
Power on the unit
Is stop time of the compressor
longer than 3 minutes?
Restart it up after
3 minutes
Does startup fail?
Are the wires for the compressor connected
correctly? Is connection sequence right?
Connect the wires as
per the connection
diagram
Replace the control panel AP1
If the fault is eliminated?
Replace the
compressor
End
73
Summary of Contents for LIVV09HP230V1A Series
Page 103: ...190 Service Manual 100 ...
Page 109: ...214 Service Manual LIVV24HP230V1AO LIVV18HP230V1AO Note Take heat pump for example 106 ...
Page 110: ...215 Service Manual 107 ...
Page 111: ...216 Service Manual 108 ...
Page 112: ...217 Service Manual 109 ...
Page 113: ...218 Service Manual 110 ...
Page 114: ...219 Service Manual 111 ...