Stack ST8100 - Page 58

Chapter 6. Troubleshooting STACK ST8100 Display System
48 Users Guide
No. Symptom Possible Cause Remedy Notes
28 No alarms for
water, oil, or fuel
(temperatures and
pressures) being
displayed
All the alarms have
been switched off
Switch on the
required alarms
Alarms only
operate when
the engine is
running at the
RPM gate value
or above it.
The engine RPM
gate value is set
too high
Reset the RPM
gate to a lower
value.
29 Display and alarm
light flash when
the engine is
running
Intermittent alarm
caused by a
parameter with its
alarm level set too
close to the normal
operating value
Either change the
value for the alarm
or turn the alarm off
Press Switch 2
to see which
sensor is
causing the
alarm.
30
Display works OK
until engine starts
then Display
freezes or resets
continuously.
Display recovers
once engine
stopped.
Interference from
Ignition system &
HT Leads
Fit Suppressed
(Silicon) HT Leads.
Fit a suppression
capacitor (2.2uF)
between the coil
(battery
connection) &
chassis
Use ‘Helical’
suppressed
leads in
extreme cases
ST8100 wiring
close to HT leads &
or injector leads, or
HT leads tied to
isolated metal work
to which ST8100
wiring is also tied.
Run ST8100 wiring
away from HT
leads & injector
leads
Recommended
Minimum
spacing 75mm
(3.0”)