25
AH-S22DP2
AH-S25DP2
AH-S32DP2
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
Indoor unit
operating
Outdoor unit
completely stopped
Only recall of self-diagnosis
memory.
Indoor and outdoor units are
not stopped.
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
Cluster generator
circuit error
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. Check the wiring between parts.
2 Indoor control board.
3. Hi-voltage unit.
1. Rewire.
2 Replace the control board.
3. Replace the Hi-voltage unit.
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 control board.
4. Replace the control 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.
0.6
sec.
1
sec.
1
sec.
1
sec.
1
sec.
1
sec.
1
sec.
Compressor lock
1
sec.
1
sec.
1
sec.
Overheat of the compressor
0.6
sec.
0.6
sec.
1
sec.
0.6
sec.
1
sec.
0.6
sec.
1 time
2 times
ON
OFF
ON
OFF
