Installation

33 of 36 © 2001 D 364 - 07/01
Error Displayed
Description of Error
364 Error Messages (2 of 3)
The control is no longer able to read the mix return sensor due to a short circuit. The control continues
to operate without ∆T protection of the slab. Locate and repair the problem as described in the Data
Brochure D 070. To clear the error message from the control after the sensor has been repaired, press
either the Menu or Item button.
The control is no longer able to read the mix return sensor due to an open circuit. The control contin-
ues to operate without ∆T protection of the slab. Locate and repair the problem as described in the
Data Brochure D 070. If the mix return sensor was deliberately not installed, set the ∆T MAX item to
OFF. To clear the error message from the control after the sensor has been repaired, press either the
Menu or Item button.
The control is no longer able to read the boiler sensor due to a short circuit. If the Boil MIN item is
set higher than 100°F (38°C), the control closes the Boiler contact when there is a call for heat in
the system. The boiler temperature is limited by the operating aquastat. If the Boil MIN is set lower
than 100°F (38°C), the control does not operate the Boiler contact. Locate and repair the problem as
described in the Data Brochure D 070. To clear the error message from the control after the sensor
has been repaired, press either the Menu or Item button.
The control is no longer able to read the boiler sensor due to an open circuit. If the Boil MIN item is
set higher than 100°F (38°C), the control closes the Boiler contact when there is a call for heat in
the system. The boiler temperature is limited by the operating aquastat. If the Boil MIN is set lower
than 100°F (38°C), the control does not operate the Boiler contact. Locate and repair the problem as
described in the Data Brochure D 070. If the boiler sensor was deliberately not installed, set the Boil
SENS item to NONE. To clear the error message from the control after the sensor has been repaired,
press either the Menu or Item button.
The control is no longer able to read the Mix 10K input because of a short circuit. The control con-
tinues to operate as if nothing is connected to the Mix 10K input. Locate and repair the problem as
described in the Data Brochure D 070. To clear the error message from the control after the problem
has been corrected, press either the Menu or Item button.
The control is no longer able to read the Mix 10K input because of an open circuit. The control con-
tinues to operate as if nothing is connected to the Mix 10K input. Locate and repair the problem as
described in the Data Brochure D 070. If a 10K device was deliberately not installed, set the MIX 10K
item to NONE. To clear the error message from the control after the problem has been corrected,
press either the Menu or Item button.
The control is no longer able to read the boiler zone control input because of a short circuit. The
control continues to operate as if nothing is connected to the Boil ZoIn input. Locate and repair the
problem as described in the Data Brochure D 070. To clear the error message from the control after
the problem has been corrected, press either the Menu or Item button.
The control is no longer able to read the boiler zone control input because of an open circuit. The
control continues to operate as if nothing is connected to the Boil ZoIn input. Locate and repair the
problem as described in the Data Brochure D 070. To clear the error message from the control after
the problem has been corrected, press either the Menu or Item button. If the boiler zone control was
deliberately removed from the control, remove power from the control and repower the control to clear
the error message.