Malfunctions in driving mode
7.7 Troubleshooting
Operating manual GMK 6400 3 112 993 en 7 - 29
12.07.2013
7.7.2 Malfunctions in the DEF system
Malfunction Cause Remedy
– Lights up
–Flashes
DEF level in tank at reserve
level
DEF tank empty
Refill DEF;
à p. 4 - 10
– Light up
– DEF reservoir sensor faulty
– Error in the DEF dosing unit
– DEF lines blocked
– Temperature sensor faulty
– Cable break in DEF system
– Exhaust gas sensor faulty
Have the exhaust system
checked by Manitowoc
Crane Care, an authorised
GROVE retailer or an
authorised specialised
workshop
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