Daikin REYQ8-48PY1B - 3.29 “J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R31 T, R32 T, R33 T)

SiBE37-701_B Troubleshooting by Indication on the Remote Controller
Troubleshooting 296
3.22
“
E9
”
Outdoor Unit: Malfunction of Electronic Expansion
Valve Coil (Y1E~Y5E)
Remote
Controller
Display
E9
Applicable
Models
REYQ8P~48P
Method of
Malfunction
Detection
Check disconnection of connector
Check continuity of electronic expansion valve
Malfunction
Decision
Conditions
No current is detected in the common (COM [+]) when power supply is ON.
Supposed
Causes

Disconnection of connectors for electronic expansion valve (Y1E)

Defect of electronic expansion valve coil

Defect of outdoor unit main PCB (A1P)