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Self diagnosis Function
Error
Error Indicator
Code
1 time
1time
1
3 sec
3 sec
2 times
2
3 sec
4 times
4
5times
5
6
7
8
9
10
2times
1time
12
3 sec
1time
13
1time
14
1time
1time
1time
3 sec
3 sec
2 times
2 times
2 times
3 sec
3 sec
4 times
3 sec
3 sec
5times
3 sec
3 sec
6times
6times
3 sec
7times
7times
3 sec
8times
8times
3 sec
9times
9times
3 sec
10 times 10 times
3 sec
2times
1time
3 sec
3 times
1time
3 times
3 sec
4 times
1time
4 times
3 sec
Cause of Error
• Indoor Temp. sensor error
- Sensor open or short
• Outdoor Temp. sensor error
- Sensor open or short
• Heat Sink sensor error
- Sensor open or short
- Heat Sink temp is over 95
• Communication error
• DC Peak error
• Over current error (CT2)
• Indoor fan lock error
(BLDC fan model only)
• Outdoor fan lock error
(BLDC fan model only)
• D-Pipe TH. is short or open.
• EEPROM Error
- EEPROM Check sum Error
• PSC Error
- PSC Fault Error
• Comp Phase Current Error
(180 Driver Comp Control
Model Only)
Troubleshooting Guide
Indoor
Display
Operation
Indoor Outdoor
O
ON
O
O
ON
O
O
ON
°...
O
O
OFF
SHUT
O
O
DOWN
SHUT
O
O
DOWN
OFF
O
O
O
OFF
O
O
ON
ON
O
O
ON
O
ON
Service Manual 53
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