Operation Manual
FT1020G3 Rev 2.4
70
The following restart codes are due to some external disturbance
and are not normal, i.e. call for service personnel / engineer:
xx=01: Watchdog Reset.
xx=02: Accidental jump to reset vector.
xx=04-12: Unexpected interrupt.
xx=14-19: Unexpected interrupt.
xx=20: S/W monitoring fault
yy…y = memory address (before restart). Write down the
address and inform the service personnel/engineer.
FAULT: Sensor zone: xxx address: xx, technical number xxxxxx
The analogue smoke, heat or multi detector is faulty. The detector's
built-in self-verification function has reported a fault. The detector has
FAULT: Short circuit loop x, Control Unit xx, SCInn<->SCInn
SCI nnn <-> SCI nnn describes between which Short Circuit Isolators
the short-circuit is located.
nn = A, B, 00, 01, 02, - - 127. A & B is the built-in isolator in the
FT1020G3 in A-direction and B-direction.
If no SCI is used the information will always be:
SCI A <-> SCI B
If one SCI (no. 0) is used, the information will be:
SCI A <-> SCI 00 or
SCI 00 <-> SCI B
...and so on.
There will also be a "FAULT: No reply ….." message for each unit not
found by the FDCIE.
If there are several short-circuits on the loop the message shows the
isolator just before the break in the A-direction (incl. the following
isolators). There will also be shown “FAULT: Multiple faults …”.
Note: Each 10th minute a check is performed, if all short-circuits are
corrected (repaired), the communication automatically returns to
communicate in the A-direction only
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.
Note: This fault might be incorrectly shown if the SA-SB cables are
mixed. If no short circuit can be found, run “check loop” from EBLWin
to get correct information.
FAULT: Site specific data (SSD), Control Unit xx
The Site Specific Data (SSD) in Control Unit no. xx is not downloaded
correctly (a checksum fault, etc.). A new SSD download (via EBLWin)
is required.
FAULT: Site specific data, alert annunciation unit xx, Control Unit xx
FAULT: Site specific data, external presentation unit xx, Control Unit
Alert Annunciation Unit 1736.
Ext. Presentation Unit 1728.
There is no SSD (Site Specific Data) downloaded to the unit or
something is wrong in the downloaded SSD.
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Note: The fault has to be acknowledged i.e. it can remain up to 10 minutes after the acknowledgement before the
communication returns to communicate in the A-direction only.
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