Sanyo SAP-CRV12AEH - Diagnosis of overload and discharge malfunction

8-4-6. 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 >
Finish
Replace electric
expansion valve.
20 min after
de-energization of
complete unit.
Yes
Yes
Yes
Yes
No
No
Is electric
expansion valve well
connected ?
Refrigerant leakage,
recharge the refrigerant.
Remove malfunction ?
Replace parts of outdoor
electric box.
Remove malfunction ?
No
Is overload
wire reliably
connected ?
Adjust connecting wire.
No
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