Malfunctions during crane operation
14.3 Warning and error messages
14 - 4 3 302 690 en Operating manual
GMK4100L-1
23.11.2017
Meaning of
the symbols
The colour of the symbols indicates whether a warning or malfunction
message is active in the corresponding area.
– Symbol yellow – malfunction.
– Symbol red – warning message.
– No symbol – no malfunction or warning message.
If a symbol is displayed in red or yellow, perform the following checks.
Perform the following checks if a symbol is displayed.
Collective warning
• Set down the load as soon as possible and turn off the engine.
CAN bus malfunction
• Switch off the ignition and wait about 15 seconds, then switch it on again.
If the malfunction is still present, contact
Manitowoc Crane Care.
Engine oil pressure
• Switch off the engine as quickly as possible.
• Check the engine oil level and top up with oil if necessary;
à Maintenance manual.
• If the oil level is correct then start the engine from the driver's cab and
check the warning messages that are present.
S
Risk of damage if warning messages are disregarded!
Observe the following information in good time and take the appropriate
remedial measures if a warning message appears. This prevents these
malfunctions causing defects in the truck crane.
S
Risk of damage to the engine
Switch off the engine as quickly as possible and check the oil level. Restart
the engine only when the oil level is correct.
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