Cycle Troubleshooting Guide - LG ABNW366KSA1 Service Manual

Cycle Troubleshooting Guide

Cycle Troubleshooting Guide
Self-diagnosis Function
I Error Indicator
• The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble.
• Error mark is ON/OFF for the operation LED of evaporator body in the same manner as the following table.
• If more than two troubles occur simultaneously, primarily the highest trouble fo error code is expressed.
• After error occurrence, if error is released, error LED is also released simultaneously.
• To operate again on the occurrence of error code, be sure to turn off the power and then turn on.
Indoor Error
Error code
00 No Error
01 Indoor Room themistor error
02 Indoor in-piping sensor error
03 Remote controller error
04 Drain Pump/Float switch error
05 Communcation error between in and out
06 Indoor Out-Piping sensor error
Outdoor Error
Error Code
21 DC Peak (IPM Fault)
22 CT 2(Max CT)
23 DC Link Low Volt.
24 L_P/Heater Sink
25 Low voltage / Over voltage
26 DC Comp Position Error
27 PSC Fault Error
28 DC Link High Volt
32 D-Pipe High (INV)
33 D-Pipe High (Normal)
40 CT Sensor (Open/Short)
41 INV. D-PipeTh Error(Open/Short)
44 Outdoor air Th Error(Open/Short)
45 Cond. Pipe Th Error(Open/Short)
46 Suction Pipe Error(Open/Short)
47 Const D-pipe Th Error(Open/Short)
Signal error (Indoor ↔ Outdoor)
53
60 EEPROM Check Sum Error
61 Cond. Pipe High
62 Heatsink High
63 Cond. Pipe Low
65 Heatsoml Th error (Open/Short)
44 Ceiling Duct type Air Conditioner
Description
Description
INV TPS Error Code
CH01
CH02
CH03
CH04
CH05
CH06
LED 1
INV TPS
(Red)
2times
2times
2times
2times
2times
2times
2times
2times
3times
3times
4times
4times
4times
4times
4times
4times
5times
6times
6times
6times
6times
6times
Indoor
Status
ON
OFF
OFF
OFF
OFF
OFF
OFF
LED 2 Indoor Sta-
(Green) tus
1time OFF
2times OFF
3times OFF
4times OFF
5times OFF
6times OFF
7times OFF
8times OFF
2times OFF
3times OFF
O OFF
1time OFF
4times OFF
5times OFF
6times OFF
7times OFF
3times OFF
O OFF
1time OFF
2times OFF
3times OFF
5times OFF