tekmar 262 Boiler Control Installation - Manual (Page 34)

34 of 36 Copyright © D 262 -
12/08
The Remote Sensor 3 attached to the RTU is being read as an open circuit. The RTU will continue
operation using all remaining sensors. If all of the sensors are unavailable, the control will continue
to operate as if the RTU was not connected to the control. This error message can be cleared once
the sensor has been repaired. Locate and repair the problem as described in the Data Brochure D 070.
To clear the error message from the control, press either the Menu or Item button. REM 3
≠ NONE
Error Displayed Description of Error
262 Error Messages (4 of 4)
This warning message will be displayed if the air temperature sensed by an indoor air sensor exceeds
the setting of the ROOM HOT item in the Monitor menu. The control will continue to operate as normal
with this warning. To clear this warning, press either the Menu or Item button.
This warning message will be displayed if the air temperature sensed by an indoor air sensor is below
the setting of the ROOM CLD item in the Monitor menu. The control will continue to operate as normal
with this warning. To clear this warning, press either the Menu or Item button.
This warning message will be displayed if the boiler supply does not increase to the target temperature
within a set time. The time limit is set using the NO HEAT item in the Monitor menu. To clear this
warning, press either the Menu or Item button.
The Remote Sensor 3 attached to the RTU is being read as a short circuit. The RTU will continue
operation using all remaining sensors. If all of the sensors are unavailable, the control will continue
to operate as if the RTU was not connected to the control. This error message can be cleared once
the sensor has been repaired. Locate and repair the problem as described in the Data Brochure D 070.
To clear the error message from the control, press either the Menu or Item button. REM 3
≠ NONE
The Remote Sensor 2 attached to the RTU is being read as a short circuit. The RTU will continue
operation using all remaining sensors. If all of the sensors are unavailable, the control will continue
to operate as if the RTU was not connected to the control. This error message can be cleared once
the sensor has been repaired. Locate and repair the problem as described in the Data Brochure D 070.
To clear the error message from the control, press either the Menu or Item button. REM 2
≠ NONE
The Remote Sensor 2 attached to the RTU is being read as an open circuit. The RTU will continue
operation using all remaining sensors. If all of the sensors are unavailable, the control will continue
to operate as if the RTU was not connected to the control. This error message can be cleared once
the sensor has been repaired. Locate and repair the problem as described in the Data Brochure D 070.
To clear the error message from the control, press either the Menu or Item button. REM 2
≠ NONE
This error message is displayed if an external DHW demand (aquastat) and an internal demand
(sensor) are received at the same time. As long as this error exists, the control does not provide DHW
operation. Locate and repair the problem. To clear the error message from the control after the error
has been repaired, press either the Menu or Item button.
This warning message is displayed if a DHW demand exists continually for longer than the DHW LONG
setting in the Monitor Menu. If DHW priority is set, the DHW priority is overriden. To clear this warning,
press either the Menu or Item button.