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Troubleshooting
It is recommended to complete all wiring to ensure trouble-free operation . Should an error occur, simply follow these steps:
1 . Find: If a banner is on the screen, it indicates a problem on the system .
2 . Identify: Press the BARS icon on the top right corner to enter the menus and press notifications . The latest error notification will
appear at the top of the list .
3 . Solve: The notification description provides the instructions on the corrective action required to clear the error .
Errors and Alerts (1 of 3)
Error or Alert Title
Control Memory
Error
Outdoor Sensor
Short Error
Outdoor Sensor
Open Error
tekmarNet Outdoor
Sensor Error
Condensate Sensor
Short Error
Condensate Sensor
Open Error
Indoor Sensor Short
Error
32
A memory error has been detected . The control will not operate the boilers until all settings have been reviewed .
You may also reload factory defaults and use the Setup Wizard to configure the control . If the memory
error keeps recurring after a power outage, the control may require replacement . Consult technical support
for assistance .
A short circuit is detected on the outdoor air temperature sensor input . The control operates the central heating
system at the boiler design temperature until this fault is corrected .
To correct, remove the wires from the outdoor air sensor terminals, then use an electrical multimeter to measure
the resistance . The resistance should be proportional to the temperature lookup table in the Installation and
Operation Manual . If the resistance is short circuit, check the wires for damage . If the wires are OK, then
replace the Outdoor Sensor 070 . Once the fault is corrected, the error clears automatically .
An open circuit is detected on the outdoor air temperature sensor input . The control operates the central
heating system at the boiler design temperature until this fault is corrected .
To correct, remove the wires from the outdoor air sensor terminals, then use an electrical multimeter to measure
the resistance . The resistance should be proportional to the temperature lookup table in the Installation and
Operation Manual . If the resistance is open circuit, check the wires for loose wiring connections . If the wires
are OK, then replace the Outdoor Sensor 070 . Once the fault is corrected, the error clears automatically .
The control has not received an outdoor temperature report from the tekmarNet network . Check the tekmarNet
network for the location of the outdoor sensor measurement . Check the sensor for open or short circuits
and replace the Outdoor Sensor 070 if necessary . Once the fault is corrected, the error clears automatically .
A short circuit is detected on the condensate return temperature sensor input . As a result, the control does
not operate the establishing steam or cool down periods .
To correct, remove the wires from the condensate return sensor terminals, then use an electrical multimeter
to measure the resistance . The resistance should be proportional to the temperature lookup table in the
Installation and Operation Manual . Check the wires for damage . If the wires are ok, then replace the Universal
Sensor 071 . Once the fault is corrected, the error clears automatically .
An open circuit is detected on the condensate return temperature sensor input . As a result, the control does
not operate the establishing steam or cool down periods .
The condensate sensor is optional, and the setting may be incorrectly turned on . Check if a sensor is installed .
If not installed, set Condensate Sensor to off . If installed, remove the wires from the condensate return sensor
terminals, then use an electrical multimeter to measure the resistance . The resistance should be proportional
to the temperature lookup table in the Installation and Operation Manual . If the resistance is open circuit, check
the wires for loose wiring connections . If the wires are ok, then replace the Universal Sensor 071 . Once the
fault is corrected, the error clears automatically .
A short circuit is detected with the indoor sensor on the Aux sensor input .
To correct, remove the wires from the Aux sensor terminals, then use an electrical multimeter to measure
the resistance . The resistance should be proportional to the temperature lookup table in the Installation and
Operation Manual . Check the wires for damage . If the wires are ok, then replace the Indoor Sensor 076, 077,
or 084 . Once the fault is corrected, the error clears automatically .
Description
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