1-46
TROUBLESHOOTING
“RUN” light flickers and “ALARM” is indicated on the remote control switch.
The unit No., alarm code and the unit code is alternately indicated on the set temperature section,
and the alarm code is indicated on the display of the outdoor unit PCB.
This alarm code is indicated when the any alarm code of 51, 52, 53 and 54 is activated 3 times
including 3 in 30 minutes. Retry operation is performed up to the occurrence of 2 times.
Conditions:
Inverter current with 105% of the rated current, (1) runs continuously for 30 seconds or
(2) runs intermittently and the accumulated time reaches up to 3.5 minutes, in 10 minutes.
*1): Before replacing or the checking of inverter components, refer to item 1.3.3 regarding electrical discharge.
Alarm
Code
Activating Protection Against Instantaneous Overcurrent of Inverter (1)
Refer to next page.
Restart operation.
No
Smaller than
activation current.
Yes
(The ISPM is normal.)
Activation Current
14.5A
16.0A
24.5A
Model
3HP
4HP
5HP
Is discharge pressure
high?
Check pressure and
refrigeration cycle.
Is the compressor
current larger than
activation current?
Is the fixing screw
of ISPM loosen?
Normal
"2"
"4"
Check for clogging of
the heat exchanger.
Check the fan motor.
Replace the ISPM.
Abnormal
Connect it correctly.
The ISPM is faulty.
Replace it.
Is the cause of
stoppage "
" of
troubleshooting by
7-segments display
"2" or "4"?
Содержание Utopia PAS-3HVRG
Страница 77: ......
Страница 89: ......
Страница 111: ......
Страница 124: ......
Страница 125: ...01203 4105679 91 01203 4105679 91 0 9 0 9 70 1 ...