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Perform troubleshooting according to the number of times of the indoor filter lamp blink.
No.
Filter lamp blink mode
1
2 sec.
2
2 sec.
3
2 sec.
4
2 sec.
5
2
2 sec.
6
2 sec.
7
2 sec.
8
2
2 sec.
9
2
2 sec.
10
2 sec.
11
2 sec.
(
Lights for 0.35 sec. at interval of 0.35 sec.)
<CAUTION>
(1) If the indoor unit does not work at all, check the connection error or disconnection of F cable.
(2) If the interface circuit is failed from the time the power is turned on, failure indication by lamp blinking on the indoor unit
cannot be made. For diagnosis of interface circuit, use the self-diagnosis function of communication circuit or self-diagnosis
memory function.
(3) Some failure modes are displayed only when reading the self-diagnosis memory. ( 2)
(4) "Outdoor forced operation" is not stored in the self-diagnosis memory.
(5) Remote controller operation cannot be received while the timer lamp or filter lamp is blinking. To check the operation one
more time, turn off the power and turn it on again. (Except for
Reason of indication
Peak current cut
2 times
Abnormal low speed rotation
3 times
Switching failure
4 times
Overload lower limit cut
5 times
OH thermistor temp. rise
6 times
7 times
Outdoor thermistor abnormal
8 times
Acceleration defective
9 times
Communication error
10 times
Abnormal power source
12 times
Fan lock error
13 times
Defective EEPROM of outdoor unit
- 79 -
Reference the outdoor self
diagnosis lamp blinks, to
perform the trobleshooting.
1)
Possible cause
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