Name: LG WM9000HVA
Brand: LG

Question 1

What does error code dE1 mean on LG WM9000HVA?

Accepted Answer

Door Open Error — door not fully closed or door switch fault. Cause: Door not all the way closed; Loose electrical connections at door switch and PWB Assembly; Door Switch Assembly out of order; Latch hook spring not adjusted properly.

Question 2

What does error code dE2 mean on LG WM9000HVA?

Accepted Answer

Door Open Error (variant) — door lock switch assembly failure. Cause: Door not all the way closed; Loose electrical connections at door switch and PWB Assembly; Door Switch Assembly out of order.

Question 3

What does error code EE mean on LG WM9000HVA?

Accepted Answer

EEPROM Error — EEPROM is out of order. Cause: EEPROM on MAIN PWB is defective.

Question 4

What does error code FE mean on LG WM9000HVA?

Accepted Answer

Overflow Error — water is overflowing; water level frequency is over 21.3 kHz. Cause: Water overflowing (water level frequency over 21.3 kHz); Air chamber and tube clogged; Inlet valve open continuously when power not applied (stuck open); MAIN PWB Assembly defective.

Question 5

What does error code IE mean on LG WM9000HVA?

Accepted Answer

Water Inlet Error. Cause: Water level frequency below 24.6 kHz (air chamber or tube clogged); Filter inlet valve clogged with foreign material; Inlet valve connectors broken or loose; Inlet valve assembly resistance out of range (should be 0.8-1.2 kOhm); Inlet valve connector at MAIN PWB disconnected (NA2, NA4, BL3); Electrical connection issue — replace main harness; Pressure switch defective; MAIN PWB assembly defective; No water tap supply, frozen tap, kinked or leaking supply hose.

Question 6

What does error code LE mean on LG WM9000HVA?

Accepted Answer

Locked Motor Error. Cause: Motor drive connector (GY4, 3-pin male white) on MAIN PWB not connected to stator assembly; Poor electric contact at motor harness connectors; Motor harness between stator assembly and MAIN PWB is open-circuited; Hall sensor out of order or defective; Rotor magnet cracked; Stator resistance out of range (should be 5-15 Ohm between phases U-V, V-W, W-V).

Question 7

What does error code nE mean on LG WM9000HVA?

Accepted Answer

WiFi Error — WiFi modem not connected. Cause: WiFi modem not connected to network.

Question 8

What does error code nF mean on LG WM9000HVA?

Accepted Answer

WiFi Error — WiFi modem self-check function error. Cause: WiFi modem hardware self-check failure.

Question 9

What does error code OE mean on LG WM9000HVA?

Accepted Answer

Drain Error — not fully drained within 10 minutes. Cause: Pump motor connector broken or loose; Water level frequency below 25.0 kHz (air chamber, tube, or pressure switch clogged); Drain pump coil resistance out of range (should be 10-20 Ohm); Voltage between connectors NA2 pin1 to BL3 pin1 out of range; MAIN PWB Assembly defective; Drainage hose kinked, bent, frozen, or clogged; Improper substance blocking drain pump.

Question 10

What does error code PE mean on LG WM9000HVA?

Accepted Answer

Pressure Sensor Error — pressure sensor assembly out of order; water level frequency consistently below 10 kHz or over 30 kHz. Cause: Pressure sensor connector broken or loose; Pressure sensor resistance out of range (pin 1 to pin 3 should be 21-23 Ohm ±10%); Air chamber and tube clogged; MAIN PWB Assembly defective.

WM9000HVA

Error Codes

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Code	Meaning	Severity
dE1	Door Open Error — door not fully closed or door switch fault	Moderate
dE2	Door Open Error (variant) — door lock switch assembly failure	Moderate
EE	EEPROM Error — EEPROM is out of order	Moderate
FE	Overflow Error — water is overflowing; water level frequency is over 21.3 kHz	Moderate
IE	Water Inlet Error	Moderate
LE	Locked Motor Error	Moderate
nE	WiFi Error — WiFi modem not connected	Moderate
nF	WiFi Error — WiFi modem self-check function error	Moderate