LG GN-B492Y*C, Service Manual

Page: 22 / 49

7-1- 9 ERROR DIAGNOSTIC MODE
1. The error diagnostic mode allows the SVC when a fault that may affect the performance of the product occurs while
operating the product.
2. Even if the function control button is pushed when an error occurs, the function will not be performed.
3. When the error is cleared while the error code is displayed due to a fault, the appliance returns to the normal condition
(Reset).
4. The error code is displayed by the refrigerator temp indication LED on the display of the refrigerator while the remaining
LEDs are off.
- 22 -
MIN MAX
REF. TEMP. CONTROL
NO Error
Error Code Display
Cause
R0 R1 R2 R3 R4 Comp / Cooling fan Defrosting heater
: OFF : ON
1.
2.
3.
4.
Faulty refrigerator
sensor (on the control
box of the refrigerator)
Faulty defrosting
sensor
Faulty room temp.
sensor in the main
PCB
Defrosting failure
Cut or short-circuited wire of
refrigerator sensor
Cut or short-circuited wire of
defrosting sensor
Cut or short-circuited wire of
defrosting sensor
Cut or disconnected wire of
defrosting heater or temperature
fuse(indicated at least after 2
hrs of error occurrence)
15 min ON/
15 min OFF
No defrosting
State of Operation with Error
Normal
Condition
Normal
Condition
Normal
Condition
Normal
Condition
Normal
Condition
Normal
Condition
u G N -M492Y* C
G N - B 492Y* C