STACK ST8130 Series Road Car Display Systems
Chapter 6. Troubleshooting
Users Guide
55
No.
Symptom
Possible Cause
Remedy
Notes
15
Switch 3:
Change
display layer
function does
not work
Switch 3 faulty
Replace switch
Disconnect switch
and short its leads.
If display changes,
replace Switch 3.
Otherwise check
wiring.
Faulty switch wiring
Check switch wiring
for correct
continuity.
Pin U to orange S3
wire less than 1.0
Ohm and Pin U to
Pin H (earth)
greater than 1M
Ohms)
16
Switch 4 does
not reset the
trip value back
to zero
Lap Marker
Receiver triggered
Turn off Beacon
Switch 4 faulty
Replace switch
Disconnect the
switch and short
the leads together.
If the display
changes replace
Switch 4. Otherwise
check wiring.
Faulty switch wiring
Check switch wiring
for correct
continuity.
Pin U to yellow S4
wire less than 1.0
Ohm and Pin U to
Pin H (earth)
greater than 1M
Ohms)
