8
9 TROUBLE SHOOTING
The electric heater has been composed of high-quality parts and will function for 10 years under
normal conditions.
Fault
Possible cause
Solution
Ventilator runs and the indicator
lamp in the heating switch is lit
(electric heater is cold)
Temperature protection or
heating element defect
Relay defect
Wiring loose
(see remark 2)
Ventilator runs and the indicator
lamp in the heating switch (3
and/or 4) is not lit (electric
heater is cold)
Thermostat set loo low. Switch
(3 and/or 4) for heating not
switched on.
Set the thermostat higher.
Set the switch(es) to 'I'.
Ventilator does not run
Heater gives warmth
Ventilator defect
Wiring loose
(see remark 2)
Ventilator runs slowly
Heater gives warmth
Fuse defect
(see remark 3)
Check the fuses in the
distribution box (see remark 1)
At plug 3P + N +
the blue
wire has been attached to the N
instead of to a phase
Check the plug and connect the
blue wire to L1, L2 or L3 (see
remark 1)
Ventilator runs normally, heater
gives less warmth than usual
One fuse defect means 50% of
the warmth
(see remark 3)
Check the fuses in the meter
cupboard (see remark 1)
At plug 3P + N +
the blue
wire has been attached to the N
instead of to a phase
Check the plug and connect the
blue wire to L1, L2 or L3 (see
remark 1)
Heating elements defect
Technical defect (see remark 2)
Electric heater does not react
Electric heater does not receive
any power
Check whether the power plug is
in the socket.
Check the fuses
Check whether the connecting
cable has been interrupted (see
remark 1)
Electric heater does not react
Internal fuse is defect, 2 A slow
500 V (6.3 x 32)
Check the heater and replace
the fuse (see remark 2)
Electric heater does not react
Guard is not on the room
thermostat connection
Place the guard on the
thermostat connection.
Room thermostat connected
and electric heater does not
react
Heater thermostat is not on
maximum
Set the heater thermostat to
maximum.
Remark 1)
When you cannot remedy the fault, contact a recognised professional.
Remark 2)
Contact the supplier of your electric heater.
Remark 3)
When one fuse is defect, the heater will deliver 50% of the set value.
