Directed Electronics 554A Installation Manual page 40

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this, turn the ignition key on and off to clear the NPC™'s memory, and then retest the shock
sensor. For a detailed description of NPC™, see Nuisance Prevention
guide.
Door input does not immediately trigger full alarm. Instead, chirps are heard for the first 3 seconds:
That's how the progressive two-stage door input works! This is a feature of this system. This is
an instant trigger, remember, since even if the door is instantly closed again, the progression
from chirps to constant siren will continue.
Closing the door triggers the system, but opening the door does not:
Have you correctly identified the type of door switch system? This happens often when the
wrong door input has been used. (See Door Lock Harness Wire Connection Guide section of
this guide.)
System will not passively arm until it is remotely armed and then disarmed:
Are the door inputs connected? Is the H1/6 blue wire connected to the door trigger wire in the
vehicle? Either the H1/5 green or the H1/7 violet should be used instead. (See wiring diagrams.)
Door input does not respond with the progressive trigger, but with immediate full alarm:
Does the Status LED indicate that the trigger was caused by the shock sensor? (See Diagnostics
section of this guide.) The shock sensor, if set to extreme sensitivity, may be detecting the door
unlatching before the door switch sends its signal. Reducing the sensitivity can solve this
problem.
The integrated LED/Valet
switch doesn't work.
®
Is it plugged into the correct socket? See Plug-In LED and integrated LED/Valet
of this guide.
Status LED doesn't work.
You've probably guessed already, but here goes: Is it plugged in? (See Plug-In LED and
integrated LED/Valet
switch section of this guide.) Is the LED plugged into the correct socket?
®
Door locks operate backwards.
This unit has easily-reversed lock/unlock outputs. Recheck wire connections to see if you have
reversed these.
40
Circuitry section of this
®
®
switch section
©
2003
Directed Electronics, Inc.

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