Panasonic CU-3RE18SBE, Руководство по эксплуатации

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The following symptoms do not indicate malfunction.
Symptom Cause
Mist emerges from indoor unit. • Condensation effect due to cooling process.
Water fl owing sound during operation. • Refrigerant fl ow inside the unit.
The room has a peculiar odour. • This may be due to damp smell emitted by the wall, carpet,
furniture or clothing.
Indoor fan stops occasionally during automatic fan
speed setting.
• This helps to remove the surrounding odour.
Air fl ow continues even after operation has stopped. • Extraction of remaining heat from the indoor unit
(maximum 30 seconds).
Operation is delayed a few minutes after restarting. • The delay is a protection to the unit’s compressor.
Outdoor unit emits water/steam. • Condensation or evaporation occurs on pipes.
TIMER indicator is always on. • The timer setting repeats daily once set.
POWER indicator blinks during HEAT mode with no
warm air supply (and louver is closed).
• The unit is in defrost mode (and AIR SWING is set to AUTO).
Indoor fan stops occasionally during heating
operation.
• To avoid unintended cooling effect.
POWER indicator blinks before the unit is switched
on.
• This is a preliminary step in preparation for the operation
when the ON timer has been set.
Cracking sound during operation. • Changes of temperature caused the expansion/contraction
of the unit.
Splashing sound during operation. • Generating the nanoe on the unit.
Dusts accumulated on the wall. • Due to air circulation or static electricity generated by the
air conditioner. Some types of wall paper may collect dusts
easily (recommended to clean the area around the air
conditioner frequently).
During COOL/DRY mode, the indoor unit stops and
POWER indicator blinks.
• The system has locked to operate in HEAT model only.
Discoloration of some plastic parts. • Discoloration is subject to material types used in plastic parts,
accelerated when exposed to heat, sun light, UV light, or
environmental factor.
Check the following before calling for servicing.
Symptom Check
Operation in HEAT/COOL mode is not working
ef fi ciently.
• Set the temperature correctly.
• Close all doors and windows.
• Clean or replace the fi lters.
• Clear any obstruction at the air inlet and air outlet vents.
Noisy during operation. • Check if the unit has been installed at an incline.
• Close the front panel properly.
Remote control does not work.
(Display is dim or transmission signal is weak.)
• Insert the batteries correctly.
• Replace weak batteries.
The unit does not work. • Check if the circuit breaker is tripped.
• Check if timers have been set.
The unit does not receive the signal from the
remote control.
• Make sure the receiver is not obstructed.
• Certain fl uorescent lights may interfere with signal transmitter.
Please consult authorised dealer.
Troubleshooting
NON SERVICEABLE CRITERIAS
TURN OFF POWER SUPPLY AND
UNPLUG then please consult authorised
dealer under the following conditions:
• Abnormal noise during operation.
• Water/foreign particles have entered the
remote control.
• Water leaks from Indoor unit.
• Circuit breaker switches off frequently.
• Power cord becomes unnaturally warm.
• Switches or buttons are not functioning
properly.
The unit stops and the TIMER indicator blinks.
Use remote control to retrieve error code.
ON
OFF
TIMER
CANCEL
SET ON
OFF
TIMER
CANCEL
SET
Press for
5 seconds
Press for
5 seconds
to quit
checking
Press until you
hear beep sound,
then write down
the error code
Turn the unit off
and reveal the
error code to
authorised dealer
2
3
4
1
• For certain errors, you may restart the unit for limited
operation with 4 beeps when operation starts.