Panasonic CU2E18PBE Operations Instructions download pdf (Page 11)

EnglishTo set the timer / Troubleshooting

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.

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 operation and

the indoor fan is stopped.

• The unit is in defrost mode, and the melted frost is

drained from the outdoor unit.

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.

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

efﬁ ciently.

• Set the temperature correctly.

• Close all doors and windows.

•

Clear any obstruction at the air inlet and air outlet vents.

Noisy during operation. • Check if the unit has been installed at an incline.

The unit does not work. • Check if the circuit breaker is tripped.

• Check if timers have been set.

The following symptoms indicate malfunction.

Symptom Check

At remote control, OFF indicator does not

shown on remote control display but operation

LED OFF.

• Use remote control to retrieve error code as follows.

OFF

TEMP

TIMER/CLOCK

MODE

QUIET/

POWERFUL

FAN SPEED

MODE

CHECK RESET

AIR SWING

OFF/ON

CANCELCLOCK

SET

SELECTUP

DOWN

AC RC

OFF Indicator

Operation LED

3/12

Ensure the operation LED is in OFF condition.

Press

CHECK

for 5 seconds

Press TIMER

DOWN

• If error code and abnormality can be

identiﬁ ed, the operation LED will be ON

continuously, then jot down the error code.

Press

CHECK

again for 5 seconds to quit

checking

Reveal the error code to authorised dealer

Troubleshooting

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Panasonic CU2E18PBE Operations Instructions Page 11

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