12- Troubleshooting - Saunier Duval SDH 31-026 NW Notice D'utilisation

12- TROUBLESHOOTING

We set forth below a series of problems and their possible causes. If the solutions shown do not solve your problem,
contact your air conditioner specialist or call your nearest Saunier Duval Official Technical Service centre.
SYMPTOMS
The system is not
working at all
(The fan won't start up)
Insufficient cooling or
heating
Excessive or inexistent
cooling or heating (for
units that operate in
cooling mode)
POSSIBLE CAUSES
Cut off the power supply.
Cut off from the circuit breaker or fuse.
Very low line pressure.
The selector is set to "0" (off).
The thermostat is set too high
(cooling) or too low (heating).
The fuse may have blown.
The batteries in the remote control
may be wasted.
The operating time does not coincide
with the timer setting.
Dirty or obstructed air filter.
Heat source nearby or too many
people in the room.
Doors and windows open.
Obstacle in front of the air inlet or
outlet.
The thermostat is set too high
(cooling) or too low (heating).
The cold water or hot water generator
in the unit is malfunctioning or not
functioning at all.
The air inlet or outlet on the indoor
unit is obstructed.
The room temperature may not have
reached the specified level as yet.
The operating mode (Hot or Cold) of
the thermostat is not set).
The cold water or hot water generator
in the unit is malfunctioning.
14
POSSIBLE SOLUTION
Restore the power supply.
Consult after-sales services.
Consult your electrician.
Set the selector "I" (on).
Turn the temperature up or down.
Replace the fuse.
Replace the batteries.
Wait or cancel the timer settings.
Clean the air filter.
If possible, remove the heat source.
Close them to prevent air entering
from outside.
Remove the obstacle to allow the air
to circulate properly.
Turn the temperature up or down.
Check the generator's functioning
(consult the after-sales services).
Remove the objects causing the
obstruction.
Wait a few moments.
Check the operating
selected.
Check the generator's functioning
(consult the after-sales services).
mode