7 of 8
© 2010
U 527 - 08/10
Communication Symbols
These symbols appear when this thermostat is part of a network and/or when
there is something wrong in the system.
The thermostat is part of a network and is communicating with other
devices in the network.
There is something wrong with the thermostat or the tekmarNet
®
system.
This usually occurs if a control component has failed or is set up incorrectly.
Contact your installing contractor for more information or consult the
Installation and Operation Manual for this product.
More Information
Frequently Asked Questions
This User Brochure contains standard information on how to make adjustments
to an installed product. More detailed information can be found in this product’s
Installation and Operation Manual (D527) at www.tekmarcontrols.com
Symptom
Look for...
Corrective Action
No heat or not
enough heat
and pressing
button does
not increase
temperature
H1 Symbol
H1 symbol indicates heat is on. If the H1
symbol is displayed and you still have no
heat, you may have an issue with your
heating appliance. Consult your heating
professional.
Flashing
WWSD
Increase WWSD setting on tekmarNet
®
reset control.
Flashing Away
Press a user switch button other than Away
(typically or ) or go to your Scenes
page on you gateway and change the
scene to Occ or Unocc
Flashing MAX
The thermostat has a maximum air
temperature set that is preventing the
heating system from providing a higher
temperature. Call your installer or refer to
the Installation and Operation Manual for
information on how to adjust maximum
room temperature settings.
Heat on before
scheduled time
Optimum start “learns” the heat up and
cool off rate of the room and starts the
heating or cooling early so that the room is
comfortable at the scheduled time.
Pressing
button does
not decrease
temperature
Flashing MIN
There may be a minimum room temperature
set. Consult your heating professional.