2008.11.13 15
Make a TEST RUN in accordance with the
installation instruction sheet for the indoor unit.
OUTDOOR UNIT LED
When a malfunction occurs in the outdoor unit,
the LED on the circuit board lights to indicate the error.
Refer to the following table for the description of each
error according to the LED.
Error contents
Communication error
(Indoor unit - Outdoor unit)
Discharg pipe temperature sensor
Outdoor heat exchanger temperature (outlet) sensor
Outdoor heat exchanger temperature (mid) sensor
Outdoor temperature sensor
Compressor temperature sensor
Heat sink temperature sensor
Pressure switch abnormal
IPM error
Compressor rotor position cannot detect
Compressor cannot operate
Outdoor fan abnormal (upper fan)
Outdoor fan abnormal (lower fan)
Pump down operation
No error
LED
1 flash
2 flash
3 flash
4 flash
5 flash
Discharge pipe temperature abnormal6 flash
7 flash
8 flash
9 flash
Compressor temperature abnormal10 flash
12 flash
13 flash
14 flash
15 flash
16 flash
1 sec. on/
1 sec. off
repeat
Protect operation
5 sec. on/
1 sec. off
repeat
off
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