Bosch Rexroth Marex SB Manual page 37

6.2 Error indication control unit
To indicate errors, 4 error LEDs are available
altogether. The top LED is red to facilitate
orientation.
The operation mode of the control is indicated by
2 additional LEDs (RUN, SETUP).
By pressing a key, further error messages can be
displayed.
It must always be distinguished if the red LED1 flashes or stays on permanently.
LED on in mode "permanent on"
LED on in mode "flashing"
LED off
Red LED 1 steady light
Error type: HARDWARE
1
2
Error description: The board of the control unit contains a hardware fault.
3
4
Error elimination: Replace board.
Error type: PARAMETER
1
2
Error description: Faulty parameter storage of the control unit.
3
4
Error elimination: The parameters of the control must be re-set to default (see chapter
4.5). If afterwards the error is still occuring, the board of the control unit must be replaced.
Error type: SOFTWARE
1
2
Error description: The software of the control unit is defective (e. g. EPROM not plugged).
3
The board of the control unit must be replaced.
4
Error elimination: Switch the control on and off. If necessary, replace board of the control
unit.
Error type: CAN
1
2
Error description: The CAN-controller reports an error.
3
4
Error elimination: Control the wiring to the control heads (chapter 3.2). Check the bridges
(see chapter 3.2). There may be a short circuit in the wiring between single veins.
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LED RUN
error LED
1
2
3
4
LED SETUP
key