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Installing the air conditioner
Failure diagnosis
f When error occurs during operation, error mode will appear on the outdoor unit MAIN PCB display.
f
LED Display
No .
Red
Green
-
1
2
3
4
5
6
7
8
50
Mirage_AP36M0@_IBIM_E_34573A(1).indd 50
PCB type
Yellow
Description
MAIN /
INVERTER
Remarks
7 SEG.
Description
MAIN
Remarks
7 SEG.
Description
MAIN /
INVERTER
Remarks
7 SEG.
Description
MAIN /
INVERTER
Remarks
7 SEG.
Description
MAIN /
Remarks
INVERTER
7 SEG.
Description
MAIN
Remarks
7 SEG.
Description
MAIN
Remarks
7 SEG.
Description
MAIN
Remarks
7 SEG.
Description
MAIN
Remarks
7 SEG.
Description/Remarks/7 Segment display
Normal operation
(MAIN: Indoor unit 扌 Outdoor unit: Green turns on)
(INVERTER: Main PCB 扌 INVERTER PCB: Green
turns on)
-
-
Number of indoor unit setting mismatch error
Check the outdoor unit setting for number of
indoor units
E201
Abnormal state, Communication error between
Outdoor Main 扌 Indoor Main PCB
Check the electrical connection and setting
E202 or none
Communication error between outdoor Main 扌
Indoor inverter PCB for 1 minute
Check the electrical connection and setting
E203
Outdoor unit temperature sensor error
Check the outdoor unit sensor and its connection
E221
Outdoor unit Condenser sensor error
Check the outdoor unit condenser sensor and its
connection
E231
Discharge temperature sensor error
Check the outdoor unit discharge sensor and its
connection
E251
OLP sensor error
Check the outdoor unit OLP sensor and its
connection
E320
Freezing outdoor temperature detected (When
compressor stops)
Check the outdoor unit condenser
E403
2012-02-21 오후 1:10:00
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