Terex T25I and T45I Super Quiet Generator 25
Operating Instructions and Parts Manual
June 2006
REV A
TROUBLESHOOTING (Cont.)
FAULT POSSIBLE CAUSE SOLUTION
Engine won’t crank Engine “ON/OFF” switch Check switch position
set in “OFF” position
Blown fuse in DC Replace with 25 Amp.
control circuit SLO-BLO TYPE
fuse if needed.
E-Stop Check to see if engaged
Defective starter Replace solenoid
solenoid
Defective starter Replace starter
Oil Pressure or Hi temp Check or call TEREX Service
switch defective
Seized engine Have engine checked by a
qualified technician
Engine runs, but loses Unit is overloaded Reduce load
speed
Improper connection Check or Call TEREX Service
Engine runs, but loses Clogged fuel system Check fuel system
power under load air in fuel lines
Blocked air intake Check air cleaner
Blocked exhaust Check exhaust system
Contaminated fuel Check fuel/water separator and
fuel tank for contamination
Faulty governor, defective Have unit checked by a
injectors, or defective fuel trained service technician
pump for all of these items
Engine shuts down Oil Pressure Switch Not opening
automatically and
TROUBLE LIGHT on Improper coolant Use a 50/50 on
CONTROL PANEL or water mixture mix of water and
is illuminated anti-freeze only
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