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1 .
Find:
If the 681 shows the Warning Symbol on the screen, it is indicating a problem
on the system .
2 .
Identify:
Press the Warning Symbol to view the error code .
3 .
Solve:
Use the chart below to match the error code to the one on the control .
Use the description to solve the problem .
It is recommended to complete all wiring to ensure trouble free operation . Should an error occur,
simply follow these steps:
Error Messages (1 of 2)
Description
SETPOINTS MENU SAVE ERROR
The interface failed to read the Setpoints menu settings from memory and has reloaded the factory
default settings . The interface stops operation until all settings in the Setpoints menu are checked .
To clear the error, check all settings in the Setpoints menu .
SENSORS MENU SAVE ERROR
The interface failed to read the Sensors menu settings from memory and has reloaded the factory
default settings . The interface stops operation until all settings in the Sensors menu are checked .
To clear the error, check all settings in the Sensors menu .
BAS MENU SAVE ERROR
The interface failed to read the BAS menu settings from memory and has reloaded the factory
default settings . The Interface stops operation until all settings in the BAS menu are checked .
To clear the error, check all settings in the BAS menu .
OUTDOOR SENSOR ERROR
The Interface is unable to read the Outdoor Sensor 070 . This error also occurs when the BAS sys-
tem has failed to communicate the outdoor temperature for more than 30 minutes . The Interface
assumes an outdoor temperature of 32°F (0°C) . Check the outdoor sensor wire according to the
sensor installation manual . It may be necessary to replace the outdoor sensor . Once the error has
been corrected, the error message automatically clears .
SLAB SENSOR ERROR
The Interface is unable to read the Slab Sensor 072 . Check the slab sensor wire according to the
sensor installation manual . Once the error has been corrected, the error message automatically
clears . If the slab sensor 072 has been intentionally removed, set the slab sensor setting in
the Sensors Menu to Off .
SNOW SENSOR YELLOW WIRE ERROR
The Interface is unable to read the yellow wire connected to the Sensor . Check the sensor yellow
and black wires according to the sensor installation manual . Once the error has been corrected,
the error message automatically clears .
SNOW SENSOR BLUE WIRE ERROR
The Interface is unable to read the blue wire connected to the sensor . Check the sensor blue and
black wires according to the sensor installation manual . Check the sensors for dirt or debris . The
ring structure of the sensor may need cleaning with hot soapy water and a nylon brush . Once the
error has been corrected, the error message automatically clears .
Troubleshooting