Ballu KFR-3502BPE, Руководство по обслуживанию

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8. TROUBLESHOOTING
21
1. Trouble code display
When the controller creates protection, press the sensor button, the trouble codes will be
displayed at the place for the indoor temperature on the VFD of the indoor unit. Once a
trouble code appears due to the trouble of the air conditioner, it can not be cleared unless
the machine is powered off.
Trouble Code Table ( means the light diode lights up; means the diode goes off)
Outdoor unit display Content of trouble Indoor display code
LED02 LED03 LED04
Indoor sensor trouble 1
Evaporator sensor trouble 2
Evaporator freezing 3
Over hot of indoor heatexchanger 4
Communication trouble 5
Fan motor trouble 6
Air outlet sensor trouble 10
Lightness sensor trouble 11
Indoor unit E
2
PROM trouble 13
Outdoor sensor trouble 21
Condenser sensor trouble 22
Over hot of compressor 23
Over current 26
Overload protection 27
Power voltage trouble 28
Momentary power failure 29
Overload of outdoor unit for cooling 30
Defrosting 31
IPM trouble 33
Data failure of outdoor E
2
PROM 33
2. Trouble code display when frequency is restricted
when the protection function is in action, the compressor doesn’t work, only its frequency is
restricted, the LED of outdoor unit displays the work condition.
LED OF outdoor unit Serial
number
Cause of frequency
restriction
LED02 LED03 LED04
1 In good condition
2 Power voltage isn’t in
normal range
3 Overload of outdoor unit
4 Over current of outdoor
unit
5 Exhaust over hot
6 Evaporator freezing
7 Setting frequency
resistance