Malfunctions In The Exhaust System - Manitowoc Grove GMK6300L Operating Manual

Malfunctions during crane operation
14.4 Finding and eliminating malfunctions
Malfunction
Coolant temperature too
high
Engine oil pressure too
L
low – Symbol red
Engine cannot be
switched off using the
ignition key
Engine diagnostics plug
not working
The engine performance
is reduced
14.4.2
Malfunction
– Lights up
– Flashes
– Light up
14 - 14
Cause
Coolant level too low
Outer surface of heat
exchanger dirty
V-belt of coolant pump at
engine loose
Engine oil level too low
Malfunction in the electronics
Fuse F4/3, F5/6 blown
The coolant is too hot or
another malfunction.
The engine is not switched off
to ensure the load can be low-
ered and the truck crane can be
unrigged

Malfunctions in the exhaust system

Cause
Carbamide level in tank at
reserve level
Urea tank empty
– Carbamide tank sensor faulty
– Error on the carbamide
dosing unit
– Carbamide lines blocked
– Temperature sensor faulty
– Cable breakage in the car-
bamide system
– Exhaust gas sensor faulty
3 112 xxx en
Remedy
à
Top up coolant;
Manual
Clean the outside of the heat
exchanger
à
Separate
Tension V-belt;
engine operating instructions,
provided by the manufacturer
Check the oil level and top up if
à
necessary; Maintenance
Manual
Turn off the engine with the
emergency-stop device;
à
p. 10 - 22
Replace blown fuses;
à
p. 14 - 9
Coolant too hot:
Wait until the coolant has cooled
down – the performance will
increase again
Other malfunctions:
Manitowoc Crane Care Report it
Remedy
à
Refill carbamide ;
Have the exhaust system checked
by Manitowoc Crane Care, an
authorised GROVE retailer or an
authorised specialised repair
shop.
Operating Manual GMK6300L
Maintenance
p. 4 - 8