Trouble Shooting Tips; Malfunctions And Solutions - Qlima S5025 Manuel D'utilisation

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TROUBLE SHOOTING TIPS

Malfunctions and Solutions

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TROUBLE
Stop the air conditioner immediately if one of the following faults occur. Disconnect the power
and contact your supplier.
• Fuse blows frequently or circuit breaker trips frequently.
• Other objects or water penetrate the air conditioner.
• The remote controller won't work or works abnormally.
• Other abnormal situations.
Issue Possible Causes
The Unit has a 3-minute protection feature that prevents the unit from over-
Unit does not turn on when
loading. The unit cannot be restarted within three minutes of being turned
pressing ON/OFF button
off.
The unit may change its setting to prevent frost from forming on the unit.
Once the temperature increases, the unit will start operating in the previ-
ously selected mode again.
The unit changes from COOL/
HEAT mode to FAN mode
The set temperature has been reached, at which point the unit turns off the
compressor. The unit will continue operating when the temperature fluctu-
ates again.
In humid regions, a large temperature difference between the room's air
The indoor unit emits white mist
and the conditioned air can cause white mist.
Both the indoor and outdoor When the unit restarts in HEAT mode after defrosting, white mist may be
units emit white mist emitted due to moisture generated from the defrosting process.
A rushing air sound may occur when the louver resets its position.
The indoor unit makes noises
A squeaking sound may occur after running the unit in HEAT mode due to
expansion and contraction of the unit's plastic parts.
Low hissing sound during operation: This is normal and is caused by refrige-
rant gas flowing through both indoor and outdoor units.
Low hissing sound when the system starts, has just stopped running, or is
Both the indoor unit and out- defrosting: This noise is normal and is caused by the refrigerant gas stopping
or changing direction.
door unit make noises
Squeaking sound: Normal expansion and contraction of plastic and metal
parts caused by temperature changes during operation can cause squeaking
noises.
The outdoor unit makes 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
Dust is emitted from either the
will be emitted when the unit is turned on. This can be mitigated by cove-
indoor or outdoor unit
ring the unit during long periods of inactivity.
The unit may absorb odors from the environment (such as furniture, cook-
ing, cigarettes, etc.) which will be emitted during operations.
The unit emits a bad odor
The unit's filters have become moldy and should be cleaned.
The fan of the outdoor unit does
During operation, the fan speed is controlled to optimize product operation.
not operate
Interference from cell phone towers and remote boosters may cause the unit
Operation is erratic, unpredicta- to malfunction. In this case, try the following:
ble, or unit is unresponsive • Disconnect the power, then reconnect.
• Press ON/OFF button on remote control to restart operation.
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NOTE!
If problem persists, contact a local dealer or your nearest customer service center. Provide them
with a detailed description of the unit malfunction as well as your model number.
Problem Cause
Temperature setting may be higher than
ambient room temperature
The heat exchanger on the indoor or out-
door unit is dirty
The air filter is dirty
The air inlet or outlet of
either unit is blocked
Doors and windows are open
Poor Cooling
Performance
Excessive heat is generated by sunlight
Too many sources of heat in the room
(people, computers, electronics, etc.)
Low refrigerant due to leak or long-term
use
SILENCE function is activated(optional
function)
Power failure
The power is turned off
The fuse is burned out
The unit is not
Remote control batteries are dead
working
The Unit's 3-minute protection has been
activated
Timer is activated
There's too much or too little refrigerant
in the system
Incompressible gas or moisture has ente-
The unit starts and
red the system.
stops frequently
The compressor is broken
The voltage is too high or too low
The outdoor temperature is exetremtly
low
Poor heating Cold air is entering through doors and
performance windows
Low refrigerant due to leak or long-term
use
Indicator lamps
continue flashing
The unit may stop operation or continue to run safely. If the indicator lamps continue
to flash or error codes appear, wait for about 10 minutes. The problem may resolve
Error code appears in
itself.
the window display
If not, disconnect the power, then connect it again. Turn the unit on.
of indoor unit:
If the problem persists, disconnect the power and contact your nearest customer ser-
• E0, E1, E2...
vice center.
• P1, P2, P3...
• F1, F2, F3...
Solution
Lower the temperature setting
Clean the affected heat exchanger
Remove the filter and clean it according
to instructions
Turn the unit off, remove the obstruction
and turn it back on
Make sure that all doors and windows are
closed while operating the unit
Close windows and curtains during peri-
ods of high heat or bright sunshine
Reduce amount of heat sources
Check for leaks, re-seal if necessary and
top off refrigerant
SILENCE function can lower product per-
formance by reducing operating frequen-
cy. Turn off SILENCE function.
Wait for the power to be restored
Turn on the power
Replace the fuse
Replace batteries
Wait three minutes after restarting the
unit
Turn timer off
Check for leaks and recharge the system
with refrigerant.
Evacuate and recharge the system with
refrigerant
Replace the compressor
Install a manostat to regulate the voltage
Use auxiliary heating device
Make sure that all doors and windows are
closed during use
Check for leaks, re-seal if necessary and
top off refrigerant
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