Nortek BDFC-11.2-AK, Руководство пользователя

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Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit
17
8 Troubleshooting
The air conditioner should not be serviced by users. Faulty repair may cause electric shock or fire, so please
contact an authorized service center for professional service. Check the following before calling for service help.
Phenomenon Troubleshooting
The unit won’t start up
ķ
... Power supply is not connected
ĸ
... Circuit breaker tripping caused by electrical short
Ĺ
... Input voltage is too low
ĺ
... Operation button is turned off
Ļ
... Control loop malfunction
The unit runs for a short while, then
stops
ķ
... There is obstacle in front of the condenser
ĸ
... Control loop malfunction
Ĺ
... Set the unit in cooling mode when outdoor ambient temperature is higher than 43°C
(110°F)
Poor cooling effect
ķ
... The filter is dirty
ĸ
... Too heavy heat load of room(e.g. too many people)
Ĺ
... Doors or windows are open
ĺ
... Inlet or outlet of IDU are blocked
Ļ
... Thermostat setting temperature is too high
ļ
... Room temperature sensor malfunction.
Poor heating effect
ķ
... The filter is dirty
ĸ
... Doors or windows are open
Ĺ
... Thermostat setting temperature is too low
ĺ
... Refrigerant charge is low (e.g. refrigerant leakage)
Ļ
... Outdoor ambient temperature is lower than -5°C (23°F)
ļ
... Circuit control malfunction
Ind oor fan doesn’t start up during
heating
ķ
... Position of tube temperature sensor head is not suitable
ĸ
... Tube temperature sensor head isn't inserted well
Ĺ
... Wiring of tube temperature sensor head is broken
ĺ
... Capacitor has a short
Note
:
If air conditioner still fails to work normally after checking and handling as described above, please stop
using it immediately and contact local service center for assistance.