A9" Indoor Unit: Malfunction Of Moving Part Of Electronic Expansion Valve (K1E) R-410A Circuit - Daikin ERSQ 011AAV1 Service Manual

Troubleshooting by Indication on the Remote Controller
"A9 " Indoor Unit: Malfunction of Moving Part of
3.3
Electronic Expansion Valve (K1E) R-410A circuit
A9
Remote Control
Display
Subcode 0
Applicable
All indoor and outdoor unit models
Models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
132
Malfunction of moving part of electronic expansion valve
Defect of indoor unit PC board (A1P)
Defect of connecting cable, bad wire
Be sure to turn off power switch before connect or disconnect connector, or
Caution
parts damage may be occurred.
The
electronic
expansion valve is
connected to X7A of the
indoor unit PC
board.
YES
Normal
when coil
check (*1) of the
moving part of the electronic
expansion valve is
checked.
YES
The connecting
cable is short-circuited or
disconnected.
NO
NO
NO
YES
ESIE09-08
After connecting, turn the power
supply off and then back on.
X7A [1, 2, 3, 4, 5, 6]
Replace the moving part of the
electronic expansion valve.
Replace the connecting cable.
If you turn the power supply off and
turn on again, and it still does not
help, replace the indoor unit PC
board (A1P).
(V2781)
Troubleshooting