When power applied nothing
happens (LEDs do not flash)
Power Supply is overloaded. Remove
externally connected components until
the fault disappears.
Polarity not correct. Measure the
voltage at the C106 (+ , -)
Check Power Supply Fuses. Always
replace with fuses of the correct type
and rating.
Lock release operates in
reverse
Incorrect output has been used;
Transpose connections between
Fail-safe and Fail-secure outputs.
Red and Green LEDs flash
together when attempting to
operate lock-release.
Fail-secure Lock release output is
short-circuited or of an incorrect rating;
temporarily disconnect the lock release
and retry (Green LED on for 3
seconds), test lock release (page 28)
The lock release fails to
operate when the Test button
is pressed
Check the lock release and its wiring by
moving the lock connections to +
C, -H, (forcing the lock)
Measure the voltage on the FAIL SECR
terminals; this should be the same as
the power supply (13.8V) while the test
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