Toyotomi GAG-A128GVR Service Manual page 47

(4) Malfunction diagnosis of startup failure
Main detection points:
Is wiring of compressor correct
Is the stop time of compressor enough?
Is compressor damaged?
Malfunction diagnosis process:
(5) Diagnosis of losing synchronism for compressor
Main detection points:
Is pressure of the system too high?
Is voltage too low?
Malfunction diagnosis process:
44
N
Y
N
Y
Y
N
Energize the
unit and start it
Is the stop time
of compressor more
than 3min£¿
Y
N
Startup failure?
Y
Is compressor wire connected correctly?
Y
Replace parts if outdoor
electric box
Remove the error?
N
Replace
compressor
finish
Y
N
N
N
Start it 3 min later
Connect it according
N
to line chart
Y
N
Y
Y
Y
Troubleshooting
Y
N