Troubleshooting; Warning; Cooling Models - Technibel MRAF98C5T Serie Bedienungsanleitung

TROUBLESHOOTING

NOTE

COOLING Models

The blinking of OPERATION, TIMER and STANDBY
lamps, indicates that the operating mode selected is not
compatible with the unit. If this happen the air
conditioner does not operate until the correct mode is
selected.

WARNING

The use of portable telephones near the air conditioner
•
may cause disturbance to its normal operation and must
be avoided. In case abnormal operation is noticed,
(OPR operation lamp lights but the air conditioner will
not run) to restore normal operation turn-off electric supply
for 60 seconds at least, by disconnecting the main switch
or the wall plug, then start again the air conditioner.
If your air conditioner does not work properly, first check
•
the following points before requesting service.
If it still does not work properly, contact your dealer or
service centre.
Trouble: The air conditioner does not run at all.
Possible cause:
1. Power failure.
2. Leakage breaker tripped.
3. Line voltage is too low.
4. Operation button is OFF.
5. Batteries in remote control unit have run down.
Remedy:
1. Restore power.
2. Contact service centre.
3. Consult your electrician or dealer.
4. Press the button again.
5. Replace batteries.
Trouble: The air conditioner does not operate and
STANDBY lamp flashes .
Possible cause:
1. Defective sensor.
Remedy:
1. Contact service centre.
Trouble: STANDBY and OPERATION lamps flash and the
air conditioner does not operate.
Possible cause:
1. Air conditioner coil sensor defective.
Remedy:
1. Contact service centre.
Trouble: Poor cooling or heating performance.
Possible cause:
1. Dirty or clogged air filters.
2. Heat source or many people in room.
3. Doors and/or windows are open.
4. Obstacle near air intake or air discharge port.
5. The set temperature on the remote control unit is too
high.
6. Outdoor temperature is too low (heat pump version).
7. Defrosting system does not work (heat pump version).
Remedy:
1. Clean air filters to improve airflow.
2. Eliminate heat source if possible.
only
3. Shut them to keep the heat or cold out.
4. Remove it to ensure good airflow.
5. Set the right temperature on the remote control unit.
6. Try to use a back-up heater.
7. Consult your dealer.
Trouble: Compressor runs but soon stops.
Possible cause:
1. Obstruction of the air intake grilles.
Remedy:
1. Remove obstruction.
Trouble: Clicking sound is heard from the air conditioner.
Possible cause:
1. In heating or cooling operation, any plastic parts may
Remedy:
1. This is normal, and the sound will disappear when an
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expand or shrink due to a sudden temperature change.
In this event, a clicking sound may occur.
even temperature is settled.
GB