AIT HSDV 12.1M3, Operating Manual

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Subject to technical amendments without prior notice | 83059300iUK | ait-deutschland GmbH
14 Faults
► Read out the cause of the fault via the diagnostics
programme of the heating and heat pump control-
ler.
► Contact the local partner of the manufacturer or
the factory's customer service. Have the fault
message and device number to hand.
14.1 Unlock the safety temperature
limiter
A safety temperature limiter is installed in the electric
heating element. If the heat pump fails or there is air in
the system:
► Check whether the reset button (①) in the centre
of the safety temperature limiter (②, located
underneath the cover) has tripped.
► If the reset button (①) has tripped, press it again
using a small screwdriver (③) .
2
1
3
► If the safety temperature limiter trips again, con-
tact the local partner of the manufacturer or the
factory’s customer service.
15 Dismantling and Disposal
15.1 Dismantling
► Separate components by their materials.
15.2 Disposal and Recycling
► Recycle or ensure proper disposal of device com-
ponents and packaging materials in accordance
with local regulations.
Buffer (standby) battery
1. Use a screwdriver to push out the buffer battery
on the processor circuit board of the heating and
heat pump controller.
2. Dispose of the buffer battery in accordance with
local regulations.