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44 THERMIC SENSOR KO
Condition for error detection
Logic unit thermal detector out of range, check:
- The state of the wiring harness and the temperature sensor connector
- Connect a 600 ohm resistance to the sensor connector:
• If the alarm disappears, replace the temperature sensor
If the alarm persists replace the logic unit.
45 SAFETY IN
Condition for error detection
Stopped truck.
Verify:
- Traction logic unit alarms.
• If YES, the alarm it is only a consequence. Check the diagnostics of the traction logic unit
• If NO, that pin 11, connector JP, cable NZ is a GND
• If NO, check the relay US1 and the seat microswitch SW2
• If NO, internal fault of the logic unit
Reference wiring diagram page 2/7 (chapter 17, section WIRING DIAGRAMS)
46 CAN BUS KO
Condition for error detection
Can-bus comunication failure. The alarm appears if the lifting logic unit doesn't receive the information
from the MCB board or the traction logic unit.
Before to replace every board, verify:
- The dashboard alarms, to identify exactly the board that does not comunicate
- Enter the SOFT VERS menu to see which card is not present on the can-bus line
- Can-bus pull-up resistance presence
• dashboard 180 Ohm
• MCB 180 Ohm
• armrest 180 Ohm
https://www.forkliftpdfmanuals.com/
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