Si20-701_B Troubleshooting by Remote Controller
132
Remote Controller Display
E0
Applicable Models
R-NU/PU
Method of Error Detection
Actuation of each safety device is detected by safety
device input circuit.
(Safety device unified detection)
Supposed Causes
<Causes related to safety devices>
Defective safety device input connection
Safety device’s harness is broken or disconnected
<Causes related to product as a whole>
Stop valve is set to “close”
Refrigerant piping circuit clogging
Refrigerant shortage
Defective compressor
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