Self-Diagnosis Function - LG FMN0760NL Service Manual

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 15, be sure to pull out power cord and then re-insert.
• Having or not of error code is different from Model.
ERROR
CONTENTS
CODE
Indoor
Thermistor
1
open/short
Outdoor
Thermistor
2
open/short
Wired Remocon
3
Communication
Error
Drain pump
4
Error
Poor
5
Communication
Fire alarm
6
Response
Difference
7
Operation
CT Current
8
9
IBM Error
DC
10
Low Voltage
High Voltage/Power
Error/Condenser
11
Temp. Error
Connecting Wire/
12
Pipe Error
Excessive
13
Capacity
Discharge Temp.
14
Error
Incorrect Wiring
15
(U.V.W)
LED DISPLAY
- 29 -
NO DISPLAY
OPERATION
CASE
• Stop the indoor Fan
Operation
When indoor thermistor
OFF
is error.
• Operates by Outdoor
Operation
OFF Micom Control.
• Operation ON
• Stop the operation
• Signal on For
5 Seconds
Same as
Same as above
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Same as
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Same as
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Same as
Same as above
above
Same as
Same as above
above
Same as
Same as above
above
Same as
Same as above
above
Same as
Same as above
above