Troubleshooting for Outdoor Unit SiEN18-622
366 Troubleshooting
7.6 Malfunction of Moving Part of Electronic Expansion
Valve (Y1E, Y3E)
Remote Control
Display
E9
Applicable
Models
AII outdoor unit models
Method of
Malfunction
Detection
Check disconnection of connector
Check continuity of expansion valve coil
Malfunction
Decision
Conditions
Error is generated under no common power supply when the power is on.
Supposed
Causes
Defect of moving part of electronic expansion valve
Defect of outdoor unit PCB (A1P)
Defect of connecting cable
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