Malfunction Analysis - HTW IX90S-R32C Manual De Usuario E Instalacion

Malfunction analysis

General phenomenon analysis
Please check below items before asking for maintenance. If the malfunction still can't be
eliminated,please contact local dealer or qualified professionals.
Phenomenon
Air conditioner
can't operate
Set temperature
can't be adjusted
Cooling (heating)
effect is not good.
Air conditioner
operates normally
suddenly
Outdoor unit has
vapor
" Water flowing"
noise
Cracking noise
Check items
Power failure?
Is plug loose?
Circuit break trips off or fuse is
burnt out?
Wiring has malfunction?
Unit has restarted immediately
after stopping operation?
Whether the function setting for
remote controller is correct?
Unit is operating under auto
mode?
Your required temperature exceeds
the set temperature range?
Voltage is too low?
Filter is dirty?
Set temperature is in proper range? Adjust temperature to proper range.
Door and window are open?
Whether there's interference,such
as thunder, wireless devices, etc.
Heating mode is turned on?
Air conditioner is turned on or
turned off just now?
Air conditioner is turned on or
turned off just now?
Wait until power recovery.
Reinsert the plug.
Ask professional to replace circuit
break or fuse.
Ask professional to replace it
Wait for 3min, and then turn on the
unit again.
Reset the function.
Temperature can't be adjusted under
auto mode.
Please switch the operation mode if
you need to adjust temperature.
Set temperature range:
16°C~31°C
Wait until the voltage resumes normal.
Clean the filter.
Close door and window.
Disconnect power, put back power,
and then turn on the unit again.
During defrosting under heating
mode, it may generate vapor, which
is a normal phenomenon.
The noise is the sound of refrigerant
flowing inside the unit, which is a
normal phenomenon.
This is the sound of friction caused by
expansion and/or contraction of panel
or other parts due to the change of
temperature.
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Solution