21
AY-X10CR
AE-X10CR
AY-X10CR-N
AE-X10CR-N
Note:
1.
Normal : Only the timer lamp blinks. Error : Displayed by blinking of run
lamp (above table).
2.
If the power plug is removed from the outlet or the breaker is switched to
"OFF", the self-diagnostic memory will be erased.
3.
Example of outdoor unit LED 1 blinking :
: Blinks at 2-second intervals
: OFF
: ON
: Blinks 3 times at 0.2-second intervals
The error of indoor unit
Display by indoor unit operation lamp
Displayed in a pattern which comes on at the same
time as the timer lamp
4 seconds off
What to check, procedure
Display by
outdoor
unit lamp
LED 1
Diagnosis
Solution
Condition
of indoor
and
outdoor
unit
Serial short
Serial open
1. Check the wiring between units.
1. Check the wiring between units.
1. Check the wiring between units.
2. Check the fuse in the outdoor unit.
3. Indoor control board.
4. Outdoor control board.
1. Rewire.
1. Rewire.
Indoor fan out of order
1. Is the fan motor locked ?
2. Is the wiring connector firmly fitted ?
3. Is the rotation pulse signal applied to the motor ?
Outdoor power supply
does't turn on.
Wiring mistake.
1. Rewire.
2.
Replace the fuse, replace the
outdoor board assembly.
3. Replace the board.
4. Replace the board.
1. Replace fan motor
2. Reattach.
3.
Replace the indoor control board
assembly.
1
sec.
1
sec.
0.6
sec.
1
sec.
1
sec.
1
sec.
1
sec.
1
sec.
1
sec.
Overheat of the compressor
0.6
sec.
1
sec.
0.6
sec.
1
sec.
0.6
sec.
2 times
OFF
ON
OFF