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Troubleshooting guide
If you encounter problems with the Truma App and / or the Truma iNet Box, we recommend checking that the app is up to date,
and performing an update if necessary.
In this eventuality, we also recommend a firmware update for the Truma iNet Box in accordance with the instructions in the
firmware update section.
Fault
Remedy
Truma
iNet Box
and system
Truma iNet Box is not ready for opera-
tion
(green LED is not on)
– Check all plug connections and whether the power supply is
sufficient
My connected appliances cannot be
controlled
– Check that the Truma iNet Box is ready for operation
– Check that the appliances are connected correctly and ready for
operation
– Perform a restart of the Truma iNet Box. To do this, disconnect
the power supply for about 10 seconds. (*)
GSM
Poor network reception
– Check the installation of the Truma iNet Box
– Check that the network covers your current location
– Check the internal / external GSM antenna changeover switch
– Check whether your mobile phone provider provides a connec-
tion to a 2G mobile phone network (
GSM
)
No operation possible
(red LED is on)
– Check that the used Mini-SIM card is functioning properly
(e.g. SIM card has been blocked by the operator)
– Check the PIN in the set-up assistant of the Truma App
– Check the internal / external GSM antenna changeover switch
I have sent a command via SMS but my
appliance has not yet received it
– Check the phone number in the set-up assistant of the
Truma App
– There may be a delay in the SMS being forwarded due to the
mobile phone provider or poor network cover
I do not receive SMS confirmation
– Check that the used Mini-SIM card is functioning properly and
has credit
