Stack ST8100 - Page 55

STACK ST8100 Display System Chapter 6. Troubleshooting
Users Guide 45
No. Symptom Possible Cause Remedy Notes
19 External
warning light
dead when the
display
warning light is
OK
Bulb has burnt out Replace bulb Swap with the other
light to confirm
burnt-out bulb. If
not burnt out, check
wiring.
Faulty wiring to
light
Check continuity of
wiring.
Pin G to red AL
wire less than 1.0
Ohm and Pin N to
yellow AL wire
greater than 1.0
Ohm)
20 External gear
shift light dead
Bulb has burnt out Replace bulb Swap with the other
light to confirm
burnt-out bulb. If
not, check wiring
Faulty wiring to
light
Check continuity of
wiring:
Pin G to red SL
wire less than 1.0
Ohm and Pin M to
green SL wire
greater than 1.0
Ohm
21 Display values
and messages
unclear or
unreadable
(poor contrast)
Display too hot or
too cold
Ensure that the
display is operated
within the specified
temperature range
Operating
temperature is
−20° C (+5° F) to
+70
° C (+158° F)
ECU interface
shorted
Check the two core
screen ECU wires
for short circuits
ECU wire is 300mm
inside the main
sensor leads
sleeve. Make sure
that none of the
wire ends are
shorted