LG WM2077CW Service Manual - Page 20

Error, Symptom, Cause - hall sensor

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ERROR SYMPTOM CAUSE OVER 8 CURRENT ERROR LOCKED 9 MOTOR ERROR 10 BALL SENSOR ERROR 11 EEPROM ERROR • MAIN PWB ASSEMBLY is out of order. • Winding in the STATOR ASSEMBLY is short-circuited. • 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. • 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 is out of order. Displayed only when the START/PAUSE button is first pressed in the QC Test Mode. 12 POWER FAILURE • The washer experienced a power failure. 19

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19
ERROR
SYMPTOM
CAUSE
OVER
CURRENT
ERROR
•
MAIN PWB
ASSEMBLY is out of order.
•
Winding in the STATOR ASSEMBLY is short-circuited.
• 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.
8
9
LOCKED
MOTOR
ERROR
• 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.
10
BALL SENSOR
ERROR
•
The washer experienced a power failure.
12
POWER
FAILURE
• EEPROM is out of order.
※
Displayed only when the START/PAUSE button is first
pressed in the QC Test Mode.
11
EEPROM
ERROR