Si20-701_B Troubleshooting by Remote Controller
130
3.21
E0
Actuation of Safety Device
Remote Controller Display
E0
Applicable Models
RY-F/FU, R(Y)-G/GA/KU
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 PCB>
Defective outdoor unit PCB
Defective safety device input connection
Safety device’s harness is broken or disconnected
<Causes related to product as a whole>
Stop valve is not opened
Refrigerant piping circuit clogging
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