Troubleshooting Procedure - Bosch rexroth 3842 559 921 Instructions De Service

24/30 Troubleshooting
12 Troubleshooting
Warning and error messages shown on the hand switch display are
generated by the control and provide information about possible faults
and their cause.

Troubleshooting procedure

1. Check all plug connections for correct seating.
2. Check the voltage supply.
3.
Check all cables for pinching or shearing points.
4. Exchange the lifting module or the control unit (referencing necessary).
Display Reason
con Communication error
- - - Reference mode
F1 EEPROM error
initialization
F2 EEPROM write error
F3 EEPROM read error
F4 EEPROM inconsistency
F5 Collision detected
by current-based
collision detection
F6, F7, Motor current has
F8 reached the set stop
overcurrent level
F9 Maximum admissible
energy has been
accepted by the
motors (heat factor)
F10 Maximum admissible
energy has been
emitted by the control
unit (heat factor)
F11 Max. temperature
for switching power
supply unit reached
Bosch Rexroth AG, MPS: Control unit, 3 842 559 935/2019-08
The solution
No communication between control unit and control panel.
Check the connection of the control panel.
Control unit in reference mode
Perform the referencing.
Push a button to reset the error
If the error continues to exist, separate the control unit
from the mains for 20 seconds.
If this does not remedy the error, contact the service.
Push a button to reset the error
If the error occurs without collision, reduce the sensitivity
of the collision detection using the keyboard.
Reduce the load or provide for easier movement of the
frame
Push a button to reset the error
Wait until the motors have cooled down. The heat factor
is automatically counted back so that already after about
one minute, the motors can be operated again. It takes
about 10 minutes until the heat factor has returned to 0.
Push a button to reset the error
Wait until the control unit has cooled down. The heat
factor is automatically counted back so that already after
about one minute, the control unit can be operated again.
It takes about 10 minutes until the heat factor has returned
to 0. Push a button to reset the error
Wait until the power supply unit of the control unit has
cooled down.
Push a button to reset the error