temperature
and fan
correctly.
The heater
becomes red.
Input voltage is too low or
too high.
For power supply, use the
power supply as required for
this device (see the technical
data table).
Air inlet restricted /
blocked.
Place the unit away from any
curtains, walls, etc., so
elements that can restrict or
cut off the air supply.
The device does
not heat up,
only the fan is
running.
Temperature not set high
enough.
Set a higher temperature.
Thermostat failure.
Turn the temperature
setting knob and listen to
whether there is a "click"
during the action of turning,
i.e. whether the thermostat
opens / closes - if not, it is
probably damaged. If it is
not damaged, the heater will
turn on automatically after
the device cools down.
The self-resetting thermal
fuse worked
Turn off the unit and check
the air inlet and outlet for
any restrictions or blockages.
Unplug the power plug for at
least 10 minutes to reset the
thermal fuse.
Thermal fuse worked - not
self-resetting (only for
devices with one).
Disconnect the device from
the power source, insert the
narrow tip into the hole of
the reset button on the
control panel and press this
button. Then reconnect the
power.
Noise during
operation,
strange noise.
The device is not on an
even and stable surface.
Place the device on an even
and stable surface.
