Malfunctioning Electronic Expansion Valve - Daikin Sky Air R-407C Service Manual

ESIE02–01
3.5 Malfunctioning Electronic Expansion Valve (E9)
E9
Error code
LED indications The table below shows the LED indications.
Operation
Normal
Malfunction
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.
—
Grey
Black
Yellow
Red
Orange
Causes The possible causes are:
Part 3 – Troubleshooting
HAP (green)
Grey
—
40-50 Ω
40-50 Ω
40-50 Ω
40-50 Ω

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...).
H1P (red)
6
6
Black Yellow
40-50 Ω 40-50 Ω
— 80-100 Ω
80-100 Ω —
80-100 Ω 80-100 Ω
80-100 Ω 80-100 Ω
Error Codes: Outdoor Units
H2P (red)
8 8
8 8
Red Orange
40-50 Ω 40-50 Ω
80-100 Ω 80-100 Ω
80-100 Ω 80-100 Ω
— 80-100 Ω
80-100 Ω —
1
3 3
4
5
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