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Frequently Asked Questions
Symptom
No Heat
Heat on before
scheduled time
Pressing
button does
not increase
temperature
Pressing
button does
not decrease
temperature
© 2011
D 538e - 02/11
Look for...
H1 Symbol
Flashing
WWSD
Flashing Away
Flashing Max
Flashing Floor
Max
Flashing Min
Floor Min
Corrective Action
H1 symbol indicates heat is on. Check if
zone valve or zone pump is operating.
Increase WWSD setting on tekmarNet
reset control.
Change User Switch to Normal scene 1.
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.
Installer can increase the Maximum Set
Room Heat.
Floor temperature has reached the Floor
Maximum setting. If the floor is not heated,
then the floor sensor may be faulty and
require replacement.
Installer can decrease the Minimum Set
Room Heat.
Floor minimum takes priority over the air
heating temperature. Recommend turning
down the floor minimum temperature
setting.
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