Bosch Rexroth Marex SB Manual page 39

Red LED 1 flashing
Error type: SYN-CARD (warning only)
1
2
Error description: No extension board for synchronizing found.
3
4
Error elimination: Check cable from synchronizing board to board of the control unit (see
instructions attached to the synchronizing board).
If necessary, replace synchronizing board.
Error type: SYN-SIG (warning only)
1
2
Error description: The synchronizing board cannot measure the speed correctly.
3
4
Error elimination: Check cable to the speed sensor (see instructions attached to the
synchronizing board).
If necessary, replace speed sensor or synchronizing board.
Error type: ACT-CTR
1
2
Error description: The control unit reports a total failure of the active control head.
3
4
Error elimination:
necessary bridges (see chapter 3.2). Check LED power supply at the control head (see
chapter 3.2). Check ID (see chapter 3.2).
If necessary, replace control head.
Error type: ACT-CTR-HW
1
2
Error description: The hardware of the previous active control head reports an error (e. g.
3
potentiometer defective).
4
Error elimination: Replace control head.
Error type: POWER
1
2
Error description: The supply voltage (see chapter 3.1) is beyond the admissible range
3
(for 24V: 18 ... 31,2V, for 12V: 9 ... 15,6 V, if no voltage range has been selected: 9 ...
4
31,2V).
Error elimination: Charge battery.
Error type: TEMPERATURE
1
2
Error description:
3
(-25 ... +70 °C).
4
Error elimination: The control may only be operated within the admissible temperature
range.
36
Check cable to the control head (see chapter 3.2). Control the
The temperature is beyond the admissible range