JLG 1250AJP Troubleshooting Manual page 71

Fault Code using Fault Code using
JLG Analyzer Deutz SERDIA
100:2 8
110:2 9
100:1 30
110:0 31
702:14 35
3128411
SECTION 1 - FAULT DICTIONARY AND SELECTED TROUBLESHOOTING
Table 1-1. Common Deutz Engine Fault Codes
Fault Description Cause
Oil Pressure Fault at corre-
sponding sensor
Coolant tempera-
OR wiring connec-
ture
tion has a short cir-
cuit or open circuit.
Oil Pressure warn- Engine Oil Pressure
ing has fallen below
acceptable value.
Coolant Tempera- Engine Oil Tempera-
ture warning ture has exceeded
acceptable value.
Overspeed warning Engine RPM was or
(with thrust mode is above maximum
operation). allowed rpm limit
limit. "Thrust mode"
function is active
1250AJP
Troubleshooting
Results
Engine
The engine will con- Check relevant sen-
tinue operating with sor replace if
the failure of either required. Check rel-
Oil Pressure or evant wiring and
Coolant Tempera- connections
ture sensors. How- between sensor
ever with a failure of and ECU.
the sensor, the
associated moni-
toring function is
de-activated
Fault message Check engine oil
occurs. Engine may level. Check oil
also shutdown pressure sensor
depending on JLG and wiring. Check
Machine program- engine for other
ming possible mechani-
cal causes. The
engine has a 12
second monitoring
delay on startup, so
proceed carefully
not to cause further
low oil pressure
damage to engine
on repeated start
attempts
Fault message Check engine oil
occurs. Engine may level. Check Oil
also shutdown temperature sen-
depending on JLG sor and wiring.
Machine program- Check cooling sys-
ming. Fault will dis- tem for leaks or
appear when Oil contamination, etc.
Temperature drops
below preset recov-
ery temperature.
If engine exceeds If condition per-
maximum rpm set sists: Check fuel
point (3300 rpm) rack. Check actua-
the fuel rack is set to tor and replace if
zero position until required. Check
engine speed wiring to actuator.
returns below Check engine
acceptable recov- speed sensor,
ery speed (2810 ringgear teeth, etc.
rpm).
Troubleshooting
Machine
Depending on
Machine Program-
ming the engine will
either Shutdown OR
only give a warning
Depending on
Machine Program-
ming the engine will
either Shutdown OR
only give a warning
Check for external
environmental con-
ditions that could
cause engine over-
speed condition
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