Daikin R71FUV1 Service Manual page 142

Troubleshooting by Remote Controller
Remote Controller Display
E0
Applicable Model
R(Y)-LU, RR-M
Method of Error Detection
Actuation of each safety device is detected with safety
device input circuit.
(Unified detection of actuation of each safety device)
Possible Causes
Defective input connection of safety device
Defective harness of safety device
Stop valve is not opened
Clogged refrigerant piping system
Actuation of internal safety device of compressor
(Only for R(Y) 71/100LU)
Defective compressor (Except for R-LU)
Si20-701_B
135