Trouble Conditions - Siemens PAD-3 Installation, Operation And Maintenance Manual

8.3 TROUBLE CONDITIONS

CAUTION: Troubleshooting is to be done only by qualified personnel who have been
trained to repair and test this fire alarm accessory.
Trouble conditions are sent to the fire alarm control unit from the trouble relay or associated input trouble
relay.
DESCRIPTION
POWER LED (DS8) not lit.
BATTRY LED (DS7) lit.
GRND LED (DS6) lit.
AUX. P.S. LED (DS5) lit.
OUTPUT1 LED (DS1) lit or
OUTPUT2 LED (DS2) lit or
OUTPUT3 LED (DS3) lit or
OUTPUT4 LED (DS4) lit.
PROBABLE CAUSE
No AC input power.
Low AC input power (Less than 90VAC).
Notes:
1. DIP Switch SW1 switches 9 & 10 set the delay for reporting AC
power faults from 0 to 24 hours.
2. The green POWER LED turns off as soon as low AC or loss of AC
occurs (does not wait for delay).
3. The trouble restores within1 minute of the AC voltage restoring to
normal level.
Low battery input power (Less than 21.4VDC).
No battery input power.
Shorted battery input.
Open polyswitch F2 or F3 (Disconnect battery and reconnect to reset).
Note:
The battery input is checked about once a minute for troubles and
restorals.
One or more external field connections shorted to earth ground (Less
than 40K ohms).
Note:
When the PAD-3 power is referenced to the control unit power; the
ground detection circuit may be disabled with jumper J9.
Overcurrent condition on the auxiliary power output. (Trip with greater
than 3.7Amps.).
Note:
The circuit automatically tries to restore about once a minute.
Associated NAC is open (Greater than 49K ohms).
Associated NAC is shorted (Less than 18K ohms).
Associated NAC has an overcurrent condition (Trip with greater than
3.7Amps.).
Note:
The circuit automatically tries to restore about once a minute.
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