E9 " Outdoor Unit: Malfunction Of Electronic; Expansion Valve Coil (Y1E~Y3E) - Daikin RQYQ140-180PY1 Service Manual

R-410a heat pump 50hz and r-410a heat recovery 50hz
Table of Contents

Advertisement

Troubleshooting by Remote Controller
E9
2.12 "
" Outdoor Unit: Malfunction of Electronic Expansion
Valve Coil (Y1E~Y3E)
E9
Remote
Controller
Display
Applicable
RQYQ-PY1
RQEQ-PY1
Models
Method of
Check the continuity of electronic expansion valve coil (Y1E)
Malfunction
Detection
Malfunction
No current is detected in the common (COM [+]) when power supply is ON.
Decision
Conditions
Supposed
Causes
121
Disconnection of connectors for electronic expansion valve (Y1E)
Defect of electronic expansion valve coil
Defect of outdoor unit main PCB (A1P)
SiBE341001
Troubleshooting

Advertisement

Table of Contents
loading

Table of Contents