tekmar 557 Thermostat User Manuals - Manual (Page 12)

All specifications are subject
to change without notice
12 of 12 557_U - 08/12.
Product design, software and literature are Copyright ©2012 by tekmar Control Systems Ltd.,
A Watts Water Technologies Company. Head Offi ce: 5100 Silver Star Road, Vernon, B.C.
Canada V1B 3K4, 250-545-7749, Fax. 250-545-0650 Web Site: www.tekmarControls.com
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 (557_D) at www.tekmarControls.com
Symptom Look for... Corrective Action
No heating
or
No cooling
indicates heat is on. If the is
displayed and there is no heat, contact your
HVAC professional.
indicates cooling is on. If the
is displayed and there is no cooling, contact
your HVAC professional.
MODE
The thermostat is in the Off mode. Touch the
mode key to change to Heat, Cool, or Auto.
No or key Touch the ‘Cancel Away’ key on the display.
Heat or cool
on before
scheduled time Optimum Start is on and has turned on the
heat or cooling in advance of your schedule
change.
Touching
key does
not increase
temperature
Flashing
There may be a maximum room temperature
set. Consult your HVAC professional.
Flashing
The floor has reached the floor maximum
setting. Consult your HVAC professional.
Flashing
Warm weather shut down is in effect.
Adjustable from your system control.
Touching
key does not
decrease
temperature
Flashing
There may be a minimum floor temperature
set. Consult your HVAC professional.
Flashing
The floor has reached the floor minimum setting.
Consult your HVAC professional.