© 2003
D 369e - 06/03
30 of 32
RTU 1 was unable to store a piece of information into its EEPROM. This error can be caused by a
noisy power source. The control will display the error message and will continue to operate as
normal. Pressing either the
Menu or Item
button will clear the error.
An incorrect device has been connected to the
tN1 1
input terminal. Once the problem has been
corrected, press either the
Menu or Item
button to clear the error message from the control.
A short circuit has been read between the
tN1 1
terminal and a
Com
terminal on the control. Either
the wires leading to the RTU device are shorted or the polarity of the wires are reversed. Determine
the cause and remove the short. To clear this error, press either the
Menu or Item
button.
The control is no longer able to read the information that is coming from the RTU 1. Reconnect the
RTU and press either the
Menu or Item
button to clear the error. If the RTU has been deliberately
disconnected from the control, remove power from the control for 10 seconds and then repower the
control in order to clear the error message.
The control is no longer able to read the outdoor sensor due to a short circuit. In this case the
control assumes an outdoor temperature of 32
°
F (0
°
C) and continues operation. Locate and repair
the problem as described in the Data Brochure D 070e. 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 outdoor sensor due to a open circuit. In this case the
control assumes an outdoor temperature of 32
°
F (0
°
C) and continues operation. Locate and repair
the problem as described in the Data Brochure D 070e. To clear the error message from the control
after the sensor has been repaired, press either the
Menu or Item
button.
A short circuit has been read between the
tN1 1
terminal and a
Com
terminal on the control. Either
the wires leading to the RTU device are shorted or the polarity of the wires are reversed. Determine
the cause and remove the short. To clear this errror, press either the
Menu or Item
button.
RTU 1 was unable to read a piece of information stored in the Adjust Menu. Because of this, the
control was required to load the factory settings into all of the items in the Adjust menu. The control
will stop operation until all of the items available in the Adjust menu of the control have been
checked by the user or installer.
Note:
Access level must be ADV in order to clear the error.
RTU 1 was unable to read a piece of information stored in the Monitor Menu. Because of this, the
control was required to load the factory settings into all of the items in the Monitor menu. The con-
trol will continue to display the error message until all of the items available in the Monitor menu of
the control have been checked by the user or installer.
Note:
Access level must be ADV in order to clear the error.
RTU 1 was unable to read a piece of information stored in the Schedule Menu. Because of this, the
control was required to load the factory settings into all of the items in the Schedule menu. The con-
trol will continue to display the error message until all of the items available in the Schedule menu of
the control have been checked by the user or installer.
Note:
Access level must be ADV in order to clear the error.
RTU 1 was unable to read a piece of information stored in the Miscellaneous Menu. Because of
this, the control was required to load the factory settings into all of the items in the Miscellaneous
menu. The control will continue to display the error message until all of the items available in the
Miscellaneous menu of the control have been checked by the user or installer.
Note:
Access level must be ADV in order to clear the error.
Error
Messages (2 of 3)
The error messages listed below for RTU 1 will be the same for RTU 2, RTU 3, RTU 4, RTU 5 and RTU 6.
The error messages listed below for 1 tN1 will be the same for 2 tN1, 3 tN1, 4 tN1, 5 tN1 and 6 tN1.
