Error Messages

FIG. 53

FIG. 56

The control was unable to read a piece of information stored in its memory (FIG. 53). Because of this, the control was required to reload the factory settings into all of the items in the ADJUST menu. The control will stop operation until all of the items in the ADJUST menu of the control have been checked by the user or installer.

Note: The Installer / Adv DIP Switch must be set to Adv in order to clear the error.

FIG. 54

The control is no longer able to read the outdoor sensor due to a short circuit (FIG. 54). In this case the controlassumes an outdoor temperature of 32°F (0°C) and continues opera- tion. Locate and repair the problem as described in INS7141. To clear the error message from the control after the sensor has been repaired, press either the Menu or Item button. This error message only occurs if the External Input / Stand Alone DIP switch is set to Stand Alone.

The control is no longer able to read the boiler supply sen- sor due to a short circuit (FIG. 56). The control will not oper- ate the boiler(s) until the sensor is repaired. Locate and repair the problem as described in INS7141. To clear the error message from the control after the sensor has been repaired, press either the Menu or Item button.

FIG. 57

The control is no longer able to read the boiler supply sen- sor due to an open circuit (FIG. 57). The control will not operate the boiler(s) until the sensor is repaired. Locate and repair the problem as described in INS7141. To clear the error message from the control after the sensor has been repaired, press either the Menu or Item button.

FIG. 58

FIG. 55

The control is no longer able to read the outdoor sensor due to an open circuit (FIG. 55). In this case the control assumes an outdoor temperature of 32°F (0°C) and contin- ues operation. Locate and repair the problem as described in INS7141. To clear the error message from the control after the sensor has been repaired, press either the Menu or Item button. This error message only occurs if the External Input / Stand Alone DIP switch is set to Stand Alone.

The control is no longer able to read the boiler return sen- sor due to a short circuit (FIG. 58). The control will continue to operate normally. Locate and repair the problem as described in INS7141. To clear the error message from the control after the sensor has been repaired, press either the Menu or Item button.