R750EU5 - IE3 - TE4 - IE4 - ISE4
English 60 Ed.8 / 10-2012
GB
Problem Cause Remedy
The coolant temperature warning
light comes on
Broken or worn belt
Replace the belt (See “Changing
the belt (type Poly-V)”)
Output reduction
Clogged fuel lter
Replace lter (See “Fuel lter
replacement.”)
Presence of air in the fuel supply
circuit
Carry out bleeding (See “Fuel
supply circuit bleeding”)
Injection pump malfunction
Replace the pump
Apply to an authorised workshop
Dirty or faulty injectors
Replace the injectors
Apply to an authorised workshop
clogged air lter Clean or replace the lter
Engine overheating Apply to an authorised workshop
Insufcient combustion air ow Apply to an authorised workshop
The battery warning light comes
on
The alternating current generator
does not charge the battery
Check and, if appropriate,
replace the alternating current
generator
Apply to an authorised workshop
The oil pressure warning light
comes on
Engine oil pressure too low
Turn off the engine. Apply to an
authorised workshop
The warning light which detects
water in fuel comes on
Presence of water in the fuel lter
(See chapter “OPERATING
INFORMATION”, paragraph
“
Recommendations for use
point no.9)
The warning light of the engine
MIL/ SYS (*) turns on.
Engine malfunction Apply to an authorised workshop
The particular lter indicator light
turns on
Particulate lter is clogged
The particulate lter regeneration
is necessary (see chapter
““OPERATING INFORMATION””,
paragraph “Particulate Filter
Regeneration”
(*) The luminous warning light MIL (amber
colour) turns on to signal the malfunction
of the engine due to the surpassing of
emission thresholds.
The luminous warning light SYS (red
colour) turns on to signal the malfunction
of the engine without the surpassing of
particle emission thresholds.
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