Vaillant climaVAIR V 7-025 NW, User Manual

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Split Type User Manual
9 Troubleshooting
The table below describes a series of problems with
their possible causes and solutions, see Table 9.1.
If these solutions do not solve the problem contact your
usual installer or call your nearest SAT Vaillant service.
SYMPTOMS POSSIBLE CAUSES POSSIBLE SOLUTION
The system does not restart immediately When unit is stopped, it won't restart until 3
minutes have elapsed to protect the system Wait 3 minutes before starting the unit again
When the electric plug is pulled out and
inserted again, the protection circuit will
work for thee minutes to ptotect the air
condioner unit Wait 3 minutes after inserting the plug and
before starting the unit again
The system does not work at all (the
ventilation does not start) The power plug is not inserted Insert the plug and start the unit by
positioning the selector to "I" (start)
Power supply cut Reconnect the power supply
The fuse has blown Replace the fuse. Only use the right fuses
for each model. Do not use wire or other
material to replace the fuse. Fires could be
caused
Insufficient cooling or heating Doors and/or windows open Close the doors and/or windows
Heat source nearby (e.g. lots of people in the
room) If possible, remove the heat source
The thermostat is set to an excessively high
temperature in cooling mode or excessively
low in heating mode Set the temperature properly
Obstacle in front of the air inlet or outlet Remove the obstacle to allow the air to
circulate properly
The ambient temperature has not reached
the designated level Wait for a few moments
Dirty or blocked air filter Clean the air filter (the air filter should be
cleaned every 15 days)
Is there any direct sunlight through the
window during the cooling operation? Use a curtain to protect the air conditioning
unit
Noise is heard During unit operation or when stopping the
unit a gurgling noise may be heard. This
noise is more audible the first 2-3 minutes of
operation This is normal in an air conditioning unit.
The noise is caused by the refrigerant
flowing in the system).
A cracking noise is heard during operation This is normal in an air conditioning unit.
The noise is caused by the casing expanding
or shrinking due to the temperature changes
If the noise is loud and comes from the air
flow during the unit operation, the air filters
may be too dirty Clean the air filters properly
Smells are generated This is because the system circulates smells
from the indoor surrounding (furniture,
cigarettes) This situation does not require any action
Mist or steam come are blown out from the
unit During COOL mode or DRY mode operation,
the indoor unit may blow some mist. This is
due to the sudden cooling of the indoor air. This situation does not require any action
Table 9.1 Troubleshooting.
9 Troubleshooting