Product Manuals/Man-1088_Sigma XT_26 Page 32 of 40
19.7 Earth fault
Indicates that part of the system wiring is connected to earth. Remove all system wiring and re-
connect cables one at a time until the earth fault returns. This will indicate which cable the earth
fault is present on.
19.8 Sys fuse fault
Indicates that the total power rating of the power supply has been exceeded and that the system
fuse has come into operation. Remove and review all loads and re-connect one at a time until over
rated circuit trips fuse to identify troublesome circuit.
19.9 S1, S2 and S3 fault
Indicates a short or open circuit on sounder outputs. Remove wiring and refit end of line resistors.
Check sounder circuit wiring.
The S3 LED will be accompanied by the front panel Flooding zone fault LED to indicate a common
fault condition within the extinguishant section of the control panel.
19.10 Exting fault
Indicates a short or open circuit on extinguishant output. Remove wiring and refit end of line
resistors. Check extinguishant circuit wiring.
The Exting fault LED will be accompanied by the front panel Flooding zone fault LED to indicate a
common fault condition within the extinguishant section of the control panel.
19.11 Hold fault
Indicates a short or open circuit on the hold switch input. Remove wiring and refit end of line.
Check hold circuit wiring.
The Hold fault LED will be accompanied by the front panel Flooding zone fault LED to indicate a
common fault condition within the extinguishant section of the control panel.
19.12 Manual release fault
Indicates a short or open circuit on the manual release switch input. Remove wiring and refit end
of line. Check manual release circuit wiring.
The Manual release fault LED will be accompanied by the front panel Flooding zone fault LED to
indicate a common fault condition within the extinguishant section of the control panel.
19.13 Mode fault
Indicates a short or open circuit on the mode switch input. Remove wiring and refit end of line.
Check mode circuit wiring.
The Mode fault LED will be accompanied by the front panel Flooding zone fault LED to indicate a
common fault condition within the extinguishant section of the control panel.
19.14 Release fault
Indicates a short or open circuit on the released pressure switch input. Remove wiring and refit
end of line. Check released pressure switch circuit wiring.
The Released fault LED will be accompanied by the front panel Flooding zone fault LED to
indicate a common fault condition within the extinguishant section of the control panel.
19.15 Low pres fault
Indicates a short or open circuit on the low pressure switch input. Remove wiring and refit end of
line. Check low pressure switch circuit wiring.
The Low pres fault LED will be accompanied by the front panel Flooding zone fault LED to indicate
a common fault condition within the extinguishant section of the control panel.
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