Toyotomi GAG-A128GVR Service Manual page 48

Troubleshooting
(6) Diagnosis of overload and discharge malfunction
Main detection points:
Is electric expansion valve well connected? Is it damaged?
Is refrigerant leaked?
Is overload wire connection normal?
Malfunction diagnosis process:
(7) Process of communication circuit detection
Y
Y
N
N
N
Y
Y
N
N
N
Y
Y
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