INVENTOR R2FO-50 User Manual page 26

Troubleshooting
Phenomenon
Indoor unit can not blow
Moisture formed on air inlet grill
H1: Defrosting
If power indicator blinks, the unit will display E1
If power indicator blinks, the unit will display E3
If power indicator blinks, the unit will display E4
If power indicator blinks, the unit will display E5
If power indicator blinks, the unit will display F1
If power indicator blinks, the unit will display F2
If power indicator blinks, the unit will display F3
If power indicator blinks, the unit will display F4
If power indicator blinks, the unit will display F5
Immediately stop all operations and plug out, contact the dealer in following situations.
▲
There is harsh sound during operation;
▲
The terrible odors emitted during operation;
▲
Water is leaking in the room;
▲
Air switch or protection switch often breaks;
▲
Carelessly splash water or something into
air conditioner.
Troubleshooting
In heating procedure, when the heat exchanger
●
temperature of indoor unit is low, it stops blowing
in order to avoid blowing cool air (within 90 s).
When heating, if the outdoor temperature is low
●
and in high humidity, there is much frost formed
in the outdoor unit heat exchanger, the unit will
automatically defrost, indoor stop blowing fan
about 10mins, during the defrosting procedure,
there will be water or vapor emitted.
If air conditioner is running in a high humidity
●
for a long time, the moisture may condense on
the air outlet grill and drip off.
●
It is normal.
●
E1: System high-pressure protection
● E3: System low pressure protection
●
E4: Air exhaust pipe high temperature
●
E5: Over current protection
●
F1: Indoor ambient sensor malfunction
●
F2: Indoor tube temperature sensor malfunction
●
F3: Outdoor ambient sensor malfunction
●
F4: Outdoor tube temperature sensor malfunction
●
F5: Air exhaust sensor malfunction
Stop running and pull out of the plug
24
protection