VLC5501 Vapormatic Immobiliser Installation Manual
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Fault Finding Chart:
1. Keypad Override Disc not operating the
immobiliser blockers
Check Keypad Override Disc battery, insert new
battery
Switch ignition on, immobiliser blocker wires (7) go
to open contacts (no continuity) – if not go to 5 or 6
Check that the Keypad Override Disc is with-in 5
metres of the vehicle
Any strong radio signals/power lines in area
(interference)
Check the serial numbers match on both the
immobiliser blockers (sticker on outer casing), and
the Keypad Override Disc (Sticker on PCB board)
2. Red keypad LED not lighting up with
ignition switched on
Check keypad in-line fuse
Check 8 to 16V supply current
Check for good chassis earth
3. Keypad code entered but no green light
Have you entered correct code:
One long beep – incorrect code
Two short beeps – correct code
Have you confirmed code by pressing the # key
Check correct operation of immobiliser blockers, go
to 5 or 6
Is Keypad with-in a 5 metre range of the
immobiliser blockers
Check the serial numbers match on both the
immobiliser blockers (sticker on outer casing), and
Keypad mounting plate (Sticker on mounting plate)
