Troubleshooting Tips - INVENTOR Air conditioning systems Owner's Manual

Before calling for service, please review the following list of common problems and solutions.
Problem
Power failure
Air conditioner
The power supply is disconnected.
does not
operate at all
The power fuse is blown.
The timer is set.
The batteries of the remote control are exhausted
The temperature setting is too high
or too low.
Air conditioner
does not The air filter is clogged with dust
cool or
The air inlet or outlet of the outdoor
heat well
unit is blocked
Doors or windows are open
The air inlet or outlet of the outdoor
Air conditioner
unit is blocked
does not
cool or
Three-minute protection feature
heat at all
Unappropriated temperature setting
If you still cannot solve the problem after trying the above, pull out the power plug and call the dealer.
The following displays indicate an error or problem:
Display
Number
code
E1
1
E2 E3 E4
2
3 E5 Ed
4
P0
5
P9
Possible Cause
Problems
Communication between indoor and
outdoor units failure
Temperature Sensor is off or
short-circuit.
Outdoor unit protection or malfunction
The temperature of the indoor unit
evaporator is too low or high ,and
a compressor protectione feature
is automatically activated.
Anti-cold air function happens/
Defrosting starts.

TROUBLESHOOTING TIPS

Wait for power restoring
Switch on the main power switch
Change the fuse
Wait or cancel timer setting
Change the batteries.
Set a more comfortable temperature.
Clean the filter
Clear up the block
Close the doors or windows
Clear up the block first, then begin to
operate.
Wait for a while
Set the temperature properly
What to do
Contact service people
Contact service people
Contact service people
Turn off the unit, clean the air filter,
then restart the unit. If this operation
does not work, please contact service
people.
When the temperature is warm enough,
the function stops automatically./The
unit will aut restart after finishing the
defrosting and the temperature of
indoor Heat Exchanger raises.
14
Solutions