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EN – Installation troubleshooting
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Problem
I can't identify the room thermostat
p. 8
terminals of my boiler
My former thermostat is connec-
p. 8
ted to different terminals: eBus,
EMS...
I cannot identify the terminals
p. 12
of my boiler.
The Relay does not blink after
p. 16
turning the power back on.
The boiler doesn't switch on when
p. 18
the Relay starts to blink
The Thermostat displays the "!"
p. 20
symbol
The Thermostat doesn't switch
p. 26
on and off the boiler
The boiler does the opposite
of the Thermostat commands (it
p. 26
switches off when the thermostat
displays MAX)
30
Possible causes
The Relay is not power supplied.
The Relay is not correctly wired.
The Thermostat can't find
the Relay
The control wires have been
incorrectly wired
The polarity of the thermostat
is not respected
Solutions
Use your boiler manual. They
may be identifiable thanks to a
shunt between the two thermostat
terminals.
Identify the right ON/OFF room
thermostat terminals to connect
the Relay of Netatmo Thermostat.
Send a picture to photo@netatmo.
com and our support team
will help you identify the right
terminals.
Check how the blue and brown
wires are wired. Do not forget to
switch off the power supply before
any intervention.
Check where the grey and black
wires are connected.
Some boilers can take up to 20
mn to respond after pushing the
Relay's button. Check your boiler's
manual.
Move the Thermostat closer
to the Relay and wait until
the "!" symbol disappears
Check your wiring using the
picture of your former thermostat's
wiring to identify the right control
wires.
Once you will have finished the
setup, change the polarity of
the thermostat in the advanced
settings of the app.
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