46 of 48
Symptom
Look For...
Corrective Action
Touchscreen is
off
Power to control
Use electrical meter to measure 115 V (ac) voltage on input power L and N
terminals.
System pump
always on
Display shows Idle
Idle operation requires that the system pump operate continuously while below the
melting temperature setting.
Blue short
Dirt or salt on snow/
ice sensor
The snow/ice sensor requires regular cleaning. Avoid using road salt on the snow
melting slab.
Slab is
above melt
temperature
Slab Target
The slab is heated to the slab target.
System running
with no snow
System is Idling
Idling heats the slab when the temperature falls below the Idle temperature.
System is Melting
During cold weather cut off (CWCO), the system is shut off. If it shuts off during a
melt cycle, the system resumes melting once the outdoor temperature is above
CWCO.
Remaining Run
Time
System manually started.
Slab and Slab
Target
The slab must reach the slab target temperature in order for the system to shut off.
Lower the cold weather cut off (CWCO) or increase the boiler aquastat setting.
Snow on slab
but system did
not start
System is Off
System has been manually stopped and the automatic snow/ice sensor never dried,
thereby preventing the system from automatically starting.
Cannot register
device
Check WiFi signal
strength
May need to move the control or router a few inches in any direction.
Cannot connect
to WiFi
Check WiFi signal
strength
May need to move the control or router a few inches in any direction.
Frequently Asked Questions
WARNING:
This product contains chemicals known to the State of
California to cause cancer and birth defects or other reproductive harm.
For more information: Watts.com/prop65
Error Messages (4 of 4)
Description
ERROR AT THERMOSTAT
There is an error on a different thermostat or setpoint control connected to the tekmarNet
®
system and not on this control.
2:01 to 2:24 = There is an error on a thermostat or setpoint control wired to communication bus 2 with this tekmarNet
®
address.
ERROR AT THERMOSTAT
There is an error on a different thermostat or setpoint control connected to the tekmarNet
®
system and not on this control.
3:01 to 3:24 = There is an error on a thermostat or setpoint control wired to the mix 3 bus with this tekmarNet
®
address.
ERROR AT SYSTEM CONTROL
There is an error on the tekmarNet
®
system control connected to the tekmarNet
®
system and not on this control.
