Smart Connect
Single Loop Touch Screen Panel
Doc: GLT-229-7-1
81
Issue: 3
Date: 12/05/2017
12.7 PANEL INPUT AND CONVENTIONAL SOUNDER FAULTS
LOCAL INPUT OPEN
Check the local input has an EOL resistor
fitted
Check that the EOL resistor is the correct
value (4.7 kΩ)
Check that there are no cable breaks or
loose connections
LOCAL INPUT
SHORTED
Check that there are no cable short circuits
on the circuits.
Check that the EOL resistor is the correct
value (4.7 kΩ)
Check that there are no Normally closed
switches connected to this circuit.
LOCAL OUTPUT
OPEN
Check the local Output (Sounder Circuit) has
an EOL resistor fitted
Check that the EOL resistor is the correct
value (4.7 kΩ)
Check that there are no cable breaks or
loose connections
LOCAL OUTPUT
SHORTED
Check that there are no cable short circuits
on the circuits.
Check that there are no non-polarised
devices connected to the circuit.