6 .

T R O U B L E S H O O T I N

G

6.1 DIAGNOSTICS OF PROBLEMS NOT INVOLVING ERROR CODE

S

When an anomaly occurs the compressor stops and the display shows an alarm code. The alarm may

reset automatically within 3 minutes under normal conditions or by switching the unit off and back on

again (using the ON/OFF switch).

Do not repair or dismantle the unit. Repairs carried out by unqualified personnel will

invalidate the warranty and may lead to faults, causing injury and material damage.

Problem

Cause

Solution

There is no electricity.

Check that the unit is connected and

that the socket is operating normally

.

The room temperature i

s

too low or too high

.

Only use the unit at room temperature

s

between 7°C and 35°C

.

The air conditione

r

does not operate

.

In cooling mode, the room temperature

is lower than the desired temperature

;

in heating mode the room temperatur

e

is higher than the desired temperature

.

Adjust to the desired room temperature.

In dehumidi

fi cation mode, the roo

m

temperature is low

.

Ensure that the room temperature is

above 17°C for dehumidification mode

.

The air conditioner is exposed t

o

direct sunlight.

Use curtains to reduce solar heat

.

The doors or windows are open

;

many people are present; or, i

n

cooling mode, there are other hea

t

sources (e.g. refrigerators).

Close doors and windows; increas

e

the power of the air conditioner

.

The cooling o

r

heating effec

t

is poor.

The filter is dirty.

Clean or replace the filter

.

The air inlet or outlet opening

s

are obstructed

.

Remove the obstructions; ensure tha

t

the unit is installed as describe

d

in the instructions

.

The unit is not installed perfectly level

.

The air conditione

r

is leaking.

Use a spirit level to check tha

t

the unit is level; if not, remove it

from the wall and straighten it

.

The condensate drain pipe is obstructed.

Check that the drain pipe is

not obstructed or crushed

.

The compresso

r

does not operate.

Overheating protection activated.

Wait 3 minutes until the temperature

has decreased and restart the unit.

The remote control is too far fro

m

the air conditioner.

The remote contro

l

does not operate

.

The remote control is not aligned i

n

the direction of the relevant receiver.

Move the remote control closer to the

air conditioner and ensure that it point

s

directly towards the relevant receiver

.

The batteries are flat.

Replace the batteries

.

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