Daikin RXYQ96PYDN Service Manual page 385

Troubleshooting by Indication on the Remote Controller
E9
3.20 Outdoor Unit: Malfunction of Moving Part of Electronic
Expansion Valve (Y1E~Y5E)
E9
Remote
Controller
Display
Applicable
RXYQ72P~240PYDN, PTJU
Models REYQ72P~240PYDN, PTJU
Method of
Check disconnection of connector
Malfunction To be detected based on continuity of of electronic expansion valve coil
Detection
Malfunction
No current is detected in the common (COM [+]) when power supply is ON.
Decision
Conditions
Supposed
Causes
370
Disconnection of connectors for electronic expansion valve (Y1E)
Defect of moving part of electronic expansion valve
Defect of outdoor unit main PC board (A1P)
SiUS34-801A_b
Troubleshooting