Krone 5XL-R/GL, Original Operating Instructions, Page: 80 / 154

IV - 38
Control Unit
4.9 Alarm Messages
4.9.1 General alarms
No. Screen Description Possible cause Remedy
A1 Plug-in fuse in job
computer defective Short circuit at electrical outputs
+12V2FU_L Check the connection
for short circuit and
replace fuse
A2 Fuse in job
computer defective Short circuit at electrical outputs
+12V3FU_L Check the connection
for short circuit. The
fuse resets itself after
the unit has cooled
down
A03 CAN error The CAN bus was interrupted
between the control unit and the
machine. -> loose contact in the
connection to the display Check the display line
A14 Undervoltage - Tractor battery defective
- Tractor dynamo too weak
- 12-V power supply too weak on the
tractor side or not correctly connected
with the battery
Connect the KRONE
connection cable to
the tractor battery
A15 Overvoltage Tractor dynamo defective Check dynamo