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Firstech CM600-AS - Arming Failures; Door Lock Polarity

Firstech CM600-AS
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23
A: The system is in valet mode. Tap the Lock and Trunk Buttons and the same time for 0.5 seconds to
exit Valet Mode. If that does not work try reprogramming the remotes again.
Whenever I try to arm the vehicle, it chirps the siren 3 times and will not arm.
A: Check all the trigger input wires for ground.
Do the door locks flip-flop in polarity?
A: No. You can use the DM700 (relay pack) for high current positive (+) locks, or the DM600 harness
used for low current 600mA positive (+) locks. If those are not available you must use two SPDT relays
to invert the polarity.
.

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