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TROUBLESHOOTING
If there are any problems during operation, please refer to the following table.
If problems cannot be solved as indicated under Solution, please contact your
manufacturer.
Problem Possible cause Solution
product does
not start
not connected to power supply connect to power supply
power cord or plug is defective contact the service center
other electrical defect to the
product
contact the service center
error occurred see protection and error codes
remote control faulty see below
remote control
is not working
batteries exhausted replace batteries
product out of range or signals
disrupted by obstacle
move the remote control
closer and clear obstructions
other electrical defect to the
remote control
contact the service center
timer not
working
implausible, contradictory or
wrong time set
check timer setting
unsatisfactory
cooling
nearby heat source hinders
cooling process
relocate product or remove
heat source
ventilation insucient ensure surrounding clearance
open window(s) or door(s) in
the room
close window(s) / door(s)
exhaust hose not properly
connected or blocked
connect properly or check for
and remove blockage
air filter(s) blocked clean air filter(s)
temperature set too high regulate the temperature
controller
noises product is not levelled level the product
product contacts obstacle remove obstacle
Note:
Murmur of water is heard when the product is operating. It is a normal sound of the
coolant circulating in the system.
IM_OAC7020W_OAC7020B_200110_V06_HR.indb 49 10/1/2020 14:15
49


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