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Owner's Manual
06. Troubleshooting
SAFETY PRECAUTIONS
If ANY of the following conditions occurs, turn off your unit immediately!
• You smell a burning odour
• The unit emits loud or abnormal sounds
• A power fuse blows or the circuit breaker frequently trips
• Water or other objects fall into or out of the unit
DO NOT ATTEMPT TO FIX THESE YOURSELF! CONTACT Authorised SERVICE PROVIDER IMMEDIATELY!
The following problems are not a malfunction and in most situations will not require repairs.
Fault
Unit does not turn on
when pressing ON/OFF
button
The unit changes from
COOL/HEAT mode to FAN
mode
The indoor unit emits
mist
Both the indoor and
outdoor units emit mist
The indoor unit makes
noises
Both the indoor unit and
outdoor unit make noises
The outdoor unit makes
noises
Dust is emitted from
either the indoor or
outdoor unit
The unit emits a bad
odour
The fan of the outdoor
unit does not operate
NOTE
If your problem persists after performing the checks and diagnostics above, turn off your unit immediately and contact
ActronAir on 1800 119 229 for technical support or warranty.
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The Unit has a 3-minute protection feature that prevents the unit from overloading.
The unit cannot be restarted within three minutes of being turned off.
The unit may go into a defrost setting, to prevent frost forming on the unit. During this operation
dF will be displayed on the indoor unit Once the temperature increases, the unit will start
operating in the previously selected mode again.
The set temperature has been reached, at which point the unit turns off the compressor. The unit
will continue operating when the temperature fluctuates again.
In humid regions, a large temperature difference between the room's air and the conditioned air
When the unit restarts in HEAT mode after defrosting, mist may be emitted due
to moisture generated from the defrosting process.
A rushing air sound may occur when the louvre resets its position.
A squeaking sound may occur when running the unit due to expansion and contraction of the
Low hissing sound during operation: This is normal and is caused by refrigerant gas flowing
through both indoor and outdoor units.
Low hissing sound when the system starts, has just stopped running, or is defrosting:
This noise is normal and is caused by the refrigerant gas stopping or changing direction.
Squeaking sound: Normal expansion and contraction of plastic and metal parts caused
by temperature changes during operation can cause squeaking noises.
The unit will make different sounds based on its current operating mode.
The unit may accumulate dust during extended periods of non-use, which will be emitted when
the unit is turned on. This can be mitigated by covering the unit during long periods of inactivity.
At the end of a cycle, the outdoor fan will run in reverse, expelling dust and debris from coil
The unit may absorb odours from the environment (such as furniture, cooking, cigarettes, etc.)
which will be emitted during operations.
The unit's filter have become mouldy and should be cleaned.
During operation, the fan speed is controlled to optimize product operation.
Owner's Manual - Wall Hung Split System
Doc. No.9590-4011 Ver. 2 210622
Wall Hung Split System
Possible Causes
can cause mist.
unit's plastic parts.
surface.