Troubleshooting - Carrier 40KQM Gebrauchsanweisung

40KQM

Troubleshooting

After inserting the batteries in the remote control, the display
does not illuminate:
• The batteries are exhausted or the polarity is incorrect; replace
the batteries or check polarity.
When pressing the recessed clock adjustment button, the
hour figures on the display do not flash:
• The recessed button has not been pressed correctly; keep it
pressed for at least 5 seconds.
When pressing any button all symbols appear on the display:
• The remote control has been irreversibly damaged; replace with
a new one.
When pressing the start button, the unit does not
acknowledge the signal with a "beep":
• The main switch is switched OFF, place the switch in the ON
position.
• The remote control batteries are exhausted; replace the
batteries.
• The remote control has not been pointed correctly at the unit
receiver; turn the remote control OFF and repeat the operation,
pointing the remote control in the correct direction.
• There are obstacles (curtains, partitions, etc.) between the
remote control and the unit; repeat the operation after having
removed the obstacles.
• The receiver on the unit or the remote control is exposed to
intense sun radiation; avoid direct sunlight on the unit, draw
curtains or shut shades, or move the remote control.
• Signal transmission is obstructed by severe electromagnetic field
interference; avoid sending signals when computers or
household appliances (food processors, coffee makers, etc.) are
operating close by. Cellular or cordless telephones may also
interfere with the control.
When pressing the stop button the unit does not turn OFF
and does not acknowledge the signal with a "beep":
• The remote control batteries are exhausted; replace the
batteries.
• The remote control has not been pointed correctly to the unit
receiver; turn the remote control OFF and repeat the operation,
pointing the remote control in the correct direction.
• There are obstacles (curtains, partitions, etc.) between the
remote control and the unit; repeat the operation after having
removed the obstacles.
• The receiver on unit or the remote control is exposed to intense
sun radiation; avoid direct sunlight on the unit, draw curtains or
shut shades, or move the remote control.
• Signal transmission is obstructed by severe electromagnetic field
interference; avoid sending signals when computers or
household appliances (food processors, coffee makers, etc.) are
operating close by. Cellular or cordless telephones may also
interfere with the control.
When pressing any function button, the remote control
shows the function requested on the display, but the unit
does not acknowledge the signal with a "beep" and does not
carry out the function:
• The remote control batteries are exhausted; replace the batteries.
• The remote control has not been pointed correctly to the unit
receiver; turn the remote control OFF and repeat the operation,
pointing the remote control in the correct direction.
• There are obstacles (curtains, partitions, etc.) between the
remote control and the unit; repeat the operation after having
removed the obstacles.
• The receiver on unit or the remote control is exposed to intense
sun radiation; avoid direct sunlight on the unit, draw curtains or
shut shades, or move the remote control.
• Signal transmission is obstructed by severe electromagnetic field
interference; avoid sending signals when computers or
household appliances (food processors, coffee makers, etc.) are
operating close by. Cellular or cordless telephones may also
interfere with the control.
GB - 10
The remote control display does not change when any button
is pressed:
• The triangle symbol 2 is ON, whilst another signal is being
transmitted; wait for signal 2
operation.
Air conditioner will not start:
• The main switch is switched OFF, place the switch in the ON
position.
• The fuses on the main switch are burnt out; replace the fuses.
• Wait for 3 minutes: protection against frequent compressor cycling
is ON.
• Selected temperature is higher than the room temperature (or
lower in the heating mode).
Air conditioner is not supplying enough cooling (or heating):
• Air cannot circulate freely.
• Dirty filter reduces air quantity circulating.
Filter must be cleaned by skilled personnel only.
• Doors and/or windows are open.
• Fan speed has been set to 'low'.
• Air flow direction is not correct for optimum ventilation.
• Selected temperature is not correct.
A slight mist is emitted from the unit:
• A slight mist, coming out of the unit air outlet, is sometimes
noticed during cooling operation. This is due to the cool air coming
into contact with the room air.
A slight whistling noise is heard when the air conditioner
starts or stops:
• This is due to the refrigerant beginning to circulate or an
adjustment of the refrigerant pressures. This is a normal operating
condition.
P (Green LED) and R (yellow LED) indicators are flashing:
System malfunction.
Contact service organisation after having ensured that:
• Air circulation is not obstructed.
• Outdoor unit coil is not obstructed and causing severe reduction of
air circulation.
• Condensate drainage tube is not obstructed.
As regards fault codes to be communicated to the after-sales
service, please refer to the installation instructions.
Restart air conditioner after having corrected the faults.
Q (Red LED) indicator is illuminated:
• In the heating mode, the LED switches on to indicate an active
defrost condition.
The unit emits unpleasant smells:
• Unpleasant smells can accumulate on the air filters and then be
dispersed into the room during air conditioner operation.
Switch the unit OFF and contact an authorised service centre to
have the filters cleaned.
Restart unit in the ventilation (fan only) mode and open windows
to change room air.
The unit makes strange noises:
• Occasionally the unit makes strange noises at start-up, during
operation or when it has stopped.
These are generally due to the effect of temperature changes on
the plastic parts.
to disappear and then repeat the