Stack ST8100 - Page 54

Chapter 6. Troubleshooting STACK ST8100 Display System
44 Users Guide
No. Symptom Possible Cause Remedy Notes
16 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)
17 Switch 4: does
not set or
display pop-up
lap times when
no automatic
receiver in use
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)
18 Lap time is not
displayed
automatically
Lap marker
receiver lead faulty
Check lap marker
wiring
Disconnect receiver
and press lap
switch 4.
(Automatic
receiver is
fitted)
Lap marker
receiver faulty
Replace lap marker
receiver
If display changes,
replace receiver
after checking its
wiring.