Troubleshooting – Panasonic CU5E34PBE User Manual

Page 9

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9

English

To

set the timer /

T

roubleshooting

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.

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 / ON

TEMP

TIMER/CLOCK

MODE

QUIET/

POWERFUL

FAN SPEED

MODE

CHECK

RESET

AIR SWING

OFF/ON

CANCEL

CLOCK

SET

SELECT

UP

DOWN

AC

RC

OFF Indicator

Operation LED

3

/

1

2

Ensure the operation LED is in OFF condition.

1 Press

CHECK

for 5 seconds

2 Press TIMER

UP

or

DOWN

• If error code and abnormality can be

identifi ed, the operation LED will be ON
continuously, then jot down the error code.

3 Press

CHECK

again for 5 seconds to quit

checking

4 Reveal the error code to authorised dealer

Troubleshooting

F569180-SS0113-0_1EN.indd 9

F569180-SS0113-0_1EN.indd 9

17/04/2013 11:20:06

17/04/2013 11:20:06

Process Black

Process Black

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