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© 2009
D 512 - 09/09
Error Messages (1 of 1)
E01
The thermostat was unable to read a piece of information stored in
its memory. The thermostat was required to load the factory settings.
The thermostat will stop operation until all settings are checked.
To clear this error, select the Installer access level and check all
of the settings in the Adjust and Schedule menus.
E02
There are no active sensors selected on the thermostat. Either the
internal sensor must be turned on or at least one auxiliary sensor
must be set to either INDR or SLAB. After the fault is corrected,
press any button to clear the error message.
ROOM SHORT
The thermostat’s internal air sensor is short circuit. This cannot
be repaired in the field. The thermostat should be replaced or
returned for repair.
ROOM OPEN
The thermostat’s internal air sensor is open circuit. This cannot be
repaired in the field. Either turn off the internal sensor and use an
auxiliary sensor set to INDR or replace the thermostat. After the fault
is corrected, press any button to clear the error message.
SENSOR 1 SHORT
The auxiliary sensor connected to the Sens 1 terminal is short
circuit. Locate and repair the problem as described in the appropriate
sensor brochure. After the fault is corrected, press any button to
clear the error message.
SENSOR 1 OPEN
The auxiliary sensor connected to the Sens 1 terminal is open
circuit. Locate and repair the problem as described in the appropriate
sensor brochure. After the fault is corrected, press any button to
clear the error message.
SENSOR 2
SHORT
The auxiliary sensor connected to the Sens 2 terminal is short
circuit. Locate and repair the problem as described in the appropriate
sensor brochure. After the fault is corrected, press any button to
clear the error message.
SENSOR 2 OPEN
The auxiliary sensor connected to the Sens 2 terminal is open
circuit. Locate and repair the problem as described in the appropriate
sensor brochure. After the fault is corrected, press any button to
clear the error message.
Summary of Contents for D 512
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