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T6 SMART THERMOSTAT
Honeywell Control Systems Limited
Newhouse Industrial Estate
Motherwell ML1 5SB
United Kingdom
T6R-2Z-EN0H 8603 NL01 R0718
Description
Model
EAN code
Literature
T6R Wireless Smart Thermostat (spare)
2-channel Receiver box R6 wireless
(spare)
T6H700RW4011
R6H911RF4018
5025121381161
5025121381130
All packaging contains 6
languages: English, Dutch,
French, German, Italian and
Spanish
Symptom (Fault message)
Possible Cause
Remedy
The Receiver box button LED
is green but the zone valve
does not switch on.
Zone valve wiring might be incorrect
or broken
Check the Receiver box wiring
One of the status LED’s on
the Receiver box is red
(Communication loss)
The Receiver box receives no
communication from that
thermostat: RF communication
might be too far or is blocked due to
Receiver box location.
Thermostat is no longer powered.
Try to move thermostat or Receiver box closer or
re-locate.
Check the power to the thermostat
Thermostat alert messages
WIFI RADIO ERROR
The Wi-Fi radio of thermostat is
faulty.
Power cycle the thermostat (30s no power) and
restart, else replace thermostat
INTERNAL MEMORY ERROR
The internal memory of thermostat
is faulty.
Replace thermostat
NO COMMUNICATION
RECEIVER BOX
The thermostat receives no
communication from the
thermostat: RF signal is blocked due
to the location of the thermostat.
Receiver box is no longer powered.
RF communication might be too far or is blocked
due to the location of the Thermostat or Receiver
box.
Check the power to the Receiver box
RF SIGNAL OFRECEIVER
BOX LOW
There is a weak radio signal from the
Receiver box
Try to move thermostat or Receiver box closer or
re-locate.
NO RECEIVER BOX
The thermostat is not bound with
the Receiver box
Bind or re-bind the Receiver box
NO INTERNET
Thermostat has no longer Internet
connection.
End user needs to check their Internet connection
via router.
NO WIFI SIGNAL
Thermostat has no longer a Wi-Fi
connection.
End user needs to check their Wi-Fi network of
router.
REGISTER ONLINE
Thermostat is connected to Internet
but not yet registered to an account.
End user needs to download the App, create an
account and register the thermostat.
WIFI NOT CONFIGURED
Thermostat is not connected to
Wi-Fi network.
End user needs to download the App, create an
account, connect and register the thermostat.
BOILER FAILURE FAULT xx
The OpenTherm boiler reported a
failure number XX.
Check the boiler
BOILER LOW WATER PRESSURE
The boiler reported low water
pressure.
Fill up the hydronic system with water.
TROUBLE SHOOTING
ORDERING SPECIFICATION