Service and troubleshooting
8.36 EST3 Installation and Service Manual
Table 8-26: SDC operation
Condition Operation
Remove a module or pull
station, then re-install a
different type module or pull
station in the same location.
1. The system displays a trouble at the device’s label or address
when the device is removed.
2. When the new device is installed, the Signature controller
module re-maps the circuit, replacing the S/N of the old
device with the S/N of the new device. The new module is
NOT operational. The panel will be in trouble, indicating a
device type mismatch. System Definition Utility program must
be used to re-assign the device type to get the panel out of
trouble.
3. If a single address module is replaced with a dual address
module or vice versa, a map fault will be generated by the
address count mismatch.
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