LG washing machine – WM3987H – Error codes and details

How to  CHECK THE WATER LEVEL FREQUENCY
Press the Spin and Rinse button simultaneously.
The displayed digits indicate the water level frequency ( x.1 kHz ).
For example a display indicating 241: a Water level frequency of 241 x.1 kHz = 24.1 kHz.
ERROR DISPLAY
if you press the START/PAUSE button when an error is displayed, any error except will disappear and the machine will go into the pause status.
In case of if the error is not resolved within 20 sec., or the in case of other errors, if the error is not resolved within 4 min., power will be turned off automatically and the error code will blink. But in the case of , power will not be turned off.

* WATER INLET ERROR => 1E => Correct water level (246) is not reached within 8 minutes after water is supplied or it does not reach the preset water level within 25 minutes

* IMBALANCE ERROR => UE => *The load is too small.  • The appliance is tilted. • Laundry is gathered to one side. • Non distributable things are put into the drum.

* DRAIN ERROR => 0E => Not fully drained within 10 minutes.

* OVER FLOW ERROR => FE=> Water is overflowing (water level frequency is over 213).  If is displayed, the drain pump will operate to drain the water automatically.

* PRESSURE SENSOR ERROR => PE => The SENSOR SWITCH ASSEMBLY is out of order.

* DOOR OPEN RROR => dE => Door not all the way closed.  • Loose electrical connections at Door switch and PWB Assembly. • The DOOR SWITCH ASSEMBLY is out of order.

* HEATING ERROR => tE => The THERMISTOR is out order.

* OVER CURRENT ERROR => CE => • MAIN PWB ASSEMBLY is out of order.  • Winding in the STATOR ASSEMBLY is short-circuited.

* LOCKED MOTOR ERROR => LE => • The connector (3-pin, male, white) in the MOTOR
HARNESS is not connected to the connector (3-pin, female, white) of STATOR * ASSEMBLY.  • The electric contact between the connectors (3-pin, male, white) in the MOTOR HARNESS and 4-pin, female, white connector in the MAIN PWB ASSEMBLY is bad or unstable.  • The MOTOR HARNESS between the STATOR ASSEMBLY and MAIN PWB ASSEMBLY is cut (open circuited).  • The hall sensor is out of order/defective.

* BALL SENSOR ERROR => bE => • Loose Ball Sensor Connector.  • Ball Sensor is out of order. [Displayed only when the START/PAUSE button is first pressed in the QC Test Mode]

* EEPROM ERROR => EE => EEPROM is out of order. [Displayed only when the START/PAUSE button is first pressed in the QC Test Mode.

* POWER FAILURE => PF = The washer experienced a power failure.

* DRY HEATER ERROR => dHE => • The Dry Heater is out of order. - Replace the Dry Heater  • The connector of the Dry Heater is not connected properly to the connector in the main PWB ASSEMBLY.  - Reconnect or repair the cannector.  • The Dry Fan Motor is out of order. -Replace the fan motor.

QC TEST MODE.
The washer must be empty and the controls must be in the off state.
1. Press the SPIN SPEED and SOIL LEVEL buttons simultaneously.
2. Press the Power button, while the above condition. Then buzzer will sound twice.
3. Press the Start/Pause >| button repeatedly to cycle through the test modes.