ESIE02–01 Error Codes: Outdoor Units
Part 3 – Troubleshooting 3–43
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3.5 Malfunctioning Electronic Expansion Valve (E9)
Error code E9
LED indications The table below shows the LED indications.
Error generation The error is generated when the following coil current condition is not met:
Open circuit < coil current < short circuit.
Resistance values The table below contains the reference resistance values.
Causes The possible causes are:
■ Malfunctioning electronic expansion valve
■ Broken or disconnected electronic expansion valve harness
■ Malfunctioning electronic expansion valve connector connection
■ Malfunctioning outdoor unit PCB
■ Outside cause (electric noise...).
Operation HAP (green) H1P (red) H2P (red)
Normal 688
Malfunction 688
—
Grey Black Yellow Red Orange
Grey
— 40-50 Ω 40-50 Ω 40-50 Ω 40-50 Ω
Black
40-50 Ω — 80-100 Ω 80-100 Ω 80-100 Ω
Yellow
40-50 Ω 80-100 Ω — 80-100 Ω 80-100 Ω
Red
40-50 Ω 80-100 Ω 80-100 Ω — 80-100 Ω
Orange
40-50 Ω 80-100 Ω 80-100 Ω 80-100 Ω —