Chapter 6. Troubleshooting
STACK ST8130 Road Car Display System
52
Users Guide
No.
Symptom
Possible Cause
Remedy
Notes
6
Water or Oil
temperature
display gives a
fixed temperature
reading of 0
°
C or
0
°
F when the
water temperature
is either above 12
°
C or 55
°
F
A temperature
sensor has failed
Disconnect sensor
and short its leads
together. If the
reading changes,
replace the sensor
Air temperature
display gives a
fixed temperature
reading of -99
°
C
or -99
°
F when the
ambient
temperature is
above -20
°
C or
-4
°
F
Faulty sensor
connections
Check continuity of
sensor leads for
open circuits.
See No. 5 above.
Check the
wiring harness
for open circuits
(pin E to the red
OT sensor wire,
pin P to the red
WT wire, and
pin H to both
the black OT
and WT sensor
wires)
7
Fixed pressure
reading of 999 PSI
or 99.9 Bar
Pressure sensor
has failed
Replace sensor
Faulty sensor
connections
Check continuity of
sensor leads for
open circuits.
See No. 5 above.
Pin D to the red
OP wire and pin
H to the black
OP wire
8
Fixed pressure
reading of -99
PSI
or -9.9 Bar
Pressure sensor
has failed
Replace sensor
Disconnect
sensor. If
reading
changes to 999,
replace sensor
Faulty sensor
connections
Check continuity of
sensor leads for
short circuits
Check the
wiring harness
for short circuit
