LC1000 INSTRUCTION MANUAL TROUBLESHOOTING
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SECTION 5 TROUBLESHOOTING
5.1 GENERAL
The On/Off switching control operation of the LC1000 makes it simple to test and troubleshoot
the system. Pressing the TEST button performs a functional test of the horn, all indicator lights
and all relay contacts. Before pressing TEST, make sure all externally controlled devices are on
standby or are accordingly addressed. Also, you will need to make sure that at least one input is
not in alarm for the Test button to properly simulate all inputs being in alarm.
The input wiring can be disconnected to check the functioning of the inputs as well as to allow
access to the wiring to perform a continuity test. If the wiring is disconnected and the LC1000 is
configured for normally open operation, all of the lights are expected to turn off. With normally
closed operation, the lights would be expected to come on. Using a jumper wire, you can simulate
an open and closed state across the input to determine that it is functioning by observing the
system lights. You may also take a DC voltage measurement across the input to verify the
presence of approximately 12VDC. If there is no voltage present with the wires disconnected from
the input, then check the internal fuse with your ohmmeter while the AC power is shutoff from the
circuit breaker.
To check the operation of the LC1000 from a field wiring location, e.g., at the field sensor location,
simply place a jumper wire between the field wire pair for normally open sensors, or open the field
wire pair for normally closed sensors. This action will set the LC1000 into the alarm mode. If this
works as expected, then you can assume that the wiring is intact.
All sensors can be tested with a continuity meter. By manipulating the float by hand, you can
change the state of the sensor to be detected by the meter.
5.2 SPARE PARTS LIST
Description Part #
LC1001 Main Board 900335-3
LC1002 Main Board 900335-4
LC1003 Main Board 900526-1
LC1004 Main Board 900526-2
LC1001-
SC Main Board 900335-1
LC1002-
SC Main Board 900335-2
LC1003-
SC Main Board 900527-1
LC1004-
SC Main Board 900527-2
Red Pushbutton Cap 242032-9
Switch Assy (Includes: Cap, Switch, Guard) 900534-1
Light Assy 553612-1
LR-1 Spare Bulb (LED) 553647-1
Tags
(Dash number varies with printed name)
313048-
nnunciator (Horn) 553503-1
Fuse (0.1A Slow Blow) 553615-4
Red Lens Cap 553643-1