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IOM-T-562 2215
© 2022 tekmar
Description
MEMORY ERROR
The thermostat memory settings are corrupted. To clear, load the factory defaults
in the Toolbox menu. The thermostat will not operate any heating or cooling
equipment while this error message is present.
INTERNAL ROOM SENSOR FAULT
Due to an open or short circuit, the thermostat is unable to read the internal room
temperature sensor. If sensor 1 or 2 is set to room the thermostat continues to
operate, otherwise operation stops.
The error cannot be field repaired. Contact your tekmar sales representative for
warranty or repair procedures.
SENSOR 1 FAULT
Due to an open or short circuit, the thermostat is unable to read the sensor wired
to S1 and Com. The thermostat stops normal operation if sensor 1 is the only
active room or floor sensor or if a floor maximum temperature has been set.
Check the auxiliary sensor wire for short circuits according to the sensor installa-
tion manual. It may be necessary to replace the auxiliary sensor. Once the error
has been corrected, the error message automatically clears.
SENSOR 2 FAULT
Due to an open or short circuit, the thermostat is unable to read the sensor wired
to S2 and Com. The thermostat stops normal operation if sensor 2 is the only
active room or floor sensor or if a floor maximum temperature has been set.
Check the auxiliary sensor wire for short circuits according to the sensor installa-
tion manual. It may be necessary to replace the auxiliary sensor. Once the error
has been corrected, the error message automatically clears.
ROOM HOT WARNING
The room temperature is above the Room Hot Warning setting in the Alerts
menu. The warning will automatically clear once the room temperature falls
below the setting.
ROOM COLD WARNING
The room temperature is below the Room Hot Warning setting in the Alerts
menu. The warning will automatically clear once the room temperature falls
below the setting.
CHANGE AIR FILTER
The fan run time has exceeded the Change Air Filter setting in the Alerts menu.
To ensure clean air it is recommended to replace the air filter on the heating and
cooling equipment. While viewing the warning, press the Clear button to clear the
warning and reset the fan run time counter.
When an error occurs an email notification will be sent to the registered tekmar
Connect mobile or web app account owner.
Error Messages
