STACK ST8302 and ST8360 Video-Logger System
Chapter 5. Troubleshooting
User Guide
65
Symptom
Possible Cause
Remedy
Notes
Bulb has burnt out
Replace bulb
Swap with the Alarm
Light to confirm
burnt-out bulb. If
not burnt out, check
wiring
Shift Light dead
Faulty wiring to light
Check continuity of
wiring
Check continuity
less than 1.0 Ohm
between:
19w conn Pin G &
Red SL wire.
Also
19w conn pin M &
Green SL
No RPM speed
reading
Incorrect wiring
Check the
connection of the
engine speed wire
to the ignition
system (or sensor, if
used)
See instructions
supplied in this
manual. If
connected directly
to the coil, check
that it is to the
switched low
tension side (usually
the negative side)
System configured
with wrong number
of engine cylinders
Reconfigure system
to correct number of
cylinders
Displayed RPM
value too high or
too low by a
constant %-age
amount
Ignition system
pulses per revolution
not same as number
of cylinders
Reconfigure system
to correct number of
pulses per
revolution
Ignition systems
may either:
-produce "waste"
sparks giving
double the number
of cylinders per
revolution
-use multiple coils
where each
additional coil gives
proportionately
fewer pulses per
revolution
