Stack ST8100 - Page 49

STACK ST8100 Display System Chapter 6. Troubleshooting
Users Guide 39
No. Symptom Possible Cause Remedy Notes
4 The !! LOW OIL P
!! message does
NOT appear on
power up.
Pressure sensor
has failed
Replace sensor Swap with the
fuel pressure
sensor to
confirm fault
The warning light
is not turned on.
Sensor connections
are faulty
Check for continuity
on sensor lead.
A reading of
999 on the
display
indicates an
open circuit
connection (pin
D to the red
sensor lead and
pin H to the
black sensor
lead)
Oil pressure alarm
disabled
Check that the oil
pressure alarm is
set on
5 Display gives a
fixed temperature
reading of 999 C
or 999 F
Temperature
sensor has failed
Replace sensor Disconnect
sensor. If
reading
changes to 0,
replace sensor.
Faulty sensor
connections
Check continuity of
sensor leads
Otherwise
check harness
for short circuit