Troubleshooting - Panasonic S-1821PU3H Operating Instructions Manual

Troubleshooting

The following symptoms do not indicate malfunction.
Symptom
The system is not turn on or respond to remote
controller immediately after power on.
*Please wait a moment (5min/15sec) after power
on the system.
TIMER indicator is always ON.
Operation is delayed a few minutes after
restarting.
Fan operation continues after unit is turn off.
Operation starts after power resumes.
Indoor fan stops occasionally during automatic
fan speed setting.
The room has a peculiar odour.
Cracking sound during operation.
Water fl owing sound during operation.
Mist emerges from indoor unit.
Outdoor unit emits water or steam.
Unit switch to FAN operation and air become
humid.
During dry mode, cold air blow out.
Discoloration of some plastic parts.
Soft buzzing sound from indoor unit during
nanoe™X operation.
Check the following before calling for servicing.
Symptom
Operation in COOL mode is not working
effi ciently.
Noisy during operation.
Remote control does not work.
(Display is dim or transmission signal is weak.)
The unit does not work.
The unit does not receive the signal from the
remote control.
18
• For new product fi rst time power on after installation, the
system requires approximately 5 minutes for "System Auto
confi guration Process".
• For subsequent operation start up by power switch, the
system requires 15secs for "Program Initialization".
• When Timer has been set, the Timer setting repeats daily.
• The delay is a protection to the unit's compressor.
• It is normal when the internal cleaning is in operation for
approximately 75 minutes.
• Auto restart is in function and operates under previous
setting.
• This is to help remove the surrounding odour.
• This may be due to damp smell emitted by the wall, carpet,
furniture or clothing.
• Changes in temperature caused the unit to expand and
contract.
• Refrigerant fl ow inside the unit.
• During cooling operation, the discharged cold air may
condense to water vapour.
• During cooling operation, condensation occurs on cold
pipes and the condensed water may drip from the outdoor
unit.
• This happens when the room temperature reaches the
set temperature, operation switches to FAN mode and the
humidity increase.
• The unit is running cooling operation with low fan speed to
dehumidify the room.
• Discoloration is subjected to the types of materials used in
plastic parts. It is accelerated when exposed to heat, sun
light, UV light or environmental factors.
• It is normal when the nanoe™X generator is working. If
you are concerned about the sound, cancel the nanoe™X
operation.
• 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.
• Check if the unit has been installed at an incline.
• Close the intake grille properly.
• Insert the batteries correctly.
• Replace weak batteries.
• Check if the circuit breaker is tripped.
• Check if timers have been set.
• Make sure the receiver is 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 the signal
transmitter. Consult an authorised dealer.
Cause
Check