Stack st8130 series, User Manual

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Chapter 6. Troubleshooting STACK ST8130 Road Car Display System
56 Users Guide
No. Symptom Possible Cause Remedy Notes
17 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 less
than 1.0 Ohm
Driver circuitry
burnt out Return unit
18 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 less
than 1.0 Ohm
19 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 (if fitted) Check the two core
screen ECU wires
for short circuits ECU wire is 300mm
/ 12” inside the
main sensor leads
sleeve. Make sure
that none of the
wire ends are
shorted