Malfunctions in driving mode
8.3 Warning and error messages
Operating manual 3 302 819 en 8 - 5
GMK3060
13.12.2018
Oil pressure too low
A warning buzzer sounds and the lamp lights up – the oil pressure is too low.
• Stop the truck crane as quickly as possible while observing the traffic situation
and switch off the engine.
• Check the oil level; à Maintenance manual.
• Add oil if necessary. If the error message is still displayed, contact
Manitowoc Crane Care.
Carrier voltage too low
• Stop the truck crane as quickly as possible while observing the traffic situation
and switch off the engine.
Actual voltage display;
à p. 4 - 15.
Steering circuit warning
Malfunction in the associated steering circuit 1, 2 or 3 (emergency steering
pump).
• Stop as quickly as possible, taking account of the current traffic situation.
• Switch the engine off.
If oil has leaked out
• Warn any vehicles on the road behind you.
• Do not continue driving. Contact Manitowoc Crane Care.
s
S
Risk of damage to the engine if the oil pressure drops!
Switch off the engine as soon as possible and look for the cause if the lamp lights
up or the warning buzzer sounds!
Never restart the engine before you have found the cause and eliminated the
problem.
G
Risk of accidents if the steering circuits fail!
If one or more lamps light up, stop the truck crane immediately and switch off the
engine!
Check whether oil has been lost. Depending on the size of a leak, the oil supply
in a steering circuit may be lost within a couple minutes.