Page 10 - Manual - Mobile Air Conditioner G21 - Envi 12H

Troubleshooting
Do not repair or disassemble the air conditioning by yourself. Unqualified repairs will lead to failure
of the warranty and may cause injury of persons or damage their properties.
Problems Reasons Solutions
The air conditioning There is no electricity. Turn it on after connecting it to a
does not work. socket with electricity.
The overflow indicator displays Discharge the water inside.
„FL“.
The ambient temperature is too Recommend to use the machine
low or too high? in at the temperature of 7-35 °C
(44-95 °F).
In cooling mode, the room Change the set temperature.
temperature is lower than the set
temperature; in heating mode,
the room temperature is higher
than the set temperature.
In dehumidification mode, the The machine is placed in a room
ambient temperature is low. with an ambient temperature of
greater than 17 °C (62 °F).
The cooling or heating There is direct sunlight. Pull the Curtain.
effect is not good. Doors or windows are open; Close the doors and windows.
there are a lot of people; or in
cooling mode, there are other
sources of heat.
The filter screen is dirty. Clean or replace the filter screen.
The air inlet or outlet is blocked. Clear obstructions.
Big Noise The air conditioning is not placed Put the air conditioning on a flat
on a flat surface. and hard place (to reduce the
noise).
The compressor Overheat protection starts. Wait for 3 minutes until the
does not work. temperature is lowered and then
restart the machine.
The remote control The distance between the Let the remote control get close
does not work. machine and the remote control to the air conditioning, and make
is too far. sure that the remote control
The remote control is not aligned directly faces to the direction of
with the direction of the remote the remote control receiver.
control receiver.
Batteries are dead.
Displays ‚E1‘. The pipe temperature sensor is Check the room temperature
abnormal. sensor and related circuitry.
Displays ‚E2‘ The room temperature sensor is Check the room temperature
abnormal. sensor and related circuitry.

If problems not listed in the table occur or recommended solutions do not work, please contact the
professional service organization.