Operating manual – Electric heater TEH 20 T / 30 T
EN 6
Problem Cause Error correction
Fan does not start running Power supply is not connected. Connect electric heater to power supply.
Wrong connection parameters (power supply)
Connect the device to a power supply with the required
parameters (refer to chapter "Technical Data").
Fuse has tripped Replace defective fuse.
Attention! Fuses may not be repaired but must always be
replaced. In most cases, fuses are triggered due to a serious
technical fault. Have each fuse replaced by an authorised
service electrician!
Defective switch
Have the device checked by a certified specialist workshop.
Motor of fan unit defective Have the device checked by a certified specialist workshop.
Motor or fan runs loudly or unevenly.
Dirt on the fan. Clean the fan as described in chapter "Cleaning and
maintenance".
Fan or fan unit is damaged Have defective components repaired or replaced.
Attention! Repairs must only be performed by qualified
technicians.
Damaged motor bearing Have the motor checked by a qualified technician.
Frictional noises can be heard Dirt on the fan blades or objects in the
rotation range of the fan
Clean fan blades or fan unit (refer to "Cleaning and
maintenance").
Fan blades are damaged Have defective components repaired or replaced by a specialist
workshop.
Attention! Repairs must only be performed by qualified
technicians.
Vibrations occur The electric heater stands on an uneven,
unstable surface
Check the surface on which the device is standing. Position the
heater on a even and stable surface.
Connections between components are
defective or not properly tightened.
Check the screw connections.
Air intake and/or exhaust air openings are
blocked.
Remove all objects in front of intake or exhaust openings.
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