Panasonic U5LA1E5 - Manual (Page 13)

13
ENGLISH
Symptom Symptom Check Check
Heating/Cooling operation is not working
effi 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.
Heating mode cannot be operated. • The unit is forced to operate at cooling mode only in a non-living room,
such as a computer room.
Noisy during operation. • Check if the unit has been installed at an incline or the intake grille is not
closed properly.
Remote control does not work.
(Wireless remote control 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 not obstructed.
• Make sure the address is set correctly.
• Make sure the remote control signal transmission is within the range.
• Certain fl uorescent lights may interfere with signal transmitter. Please
consult your nearest dealer.
The unit stopped and TIMER indicator blinks. • Turn OFF the power supply to reset the unit (TIMER indicator stop blinking).
• Turn ON the power supply and restart the unit.
• If TIMER indicator blinks again, please consult your nearest dealer.
Check the following before calling for servicing. Check the following before calling for servicing.
FOR SEASONAL INSPECTION AFTER EXTENDED FOR SEASONAL INSPECTION AFTER EXTENDED
NON-USE
NON-USE
• Checking of remote control batteries (wireless remote
control).
• No obstruction at air inlet and air outlet vents.
• Use Auto OFF/ON button to select Cooling/Heating
operation, after 15 minutes of operation, it is normal to
have the following temperature difference between air inlet
and air outlet vents:
Cooling: ≥ 8°C Heating: ≥ 14°C
NON SERVICEABLE CRITERIAS NON SERVICEABLE CRITERIAS
TURN OFF POWER SUPPLY then CALL Authorized
Distributor 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.
FOR EXTENDED NON-USE FOR EXTENDED NON-USE
• Activate Heat Mode for 2~3 hours to remove moisture left
in the internal parts thoroughly to prevent mould growth.
• Turn off the power supply.
• Remove the remote control batteries (wireless remote
control).
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