Description
The battery backup in the robot serial measurement board (SMB) or external axis SMB case is missing. SMB is connected to drive unit on the drive link and to position arg in control cabinet arg.
Consequences
SMB When battery power is interrupted, the robot will lose revolution counter data. This warning will be logged repeatedly.
Possible causes
This may be due to the SMB battery being discharged or not connected. For some robot models, the SMB battery power is supplied through a jumper in the robot signal cable (see controller circuit diagram), disconnecting the cable will block the battery power supply.
Recommended actions
- Make sure a charged SMB battery is connected to the circuit board.
- Attention! Disconnecting the robot signal cable may disconnect the SMB battery power, triggering a battery warning to start recording.
- Follow the detailed instructions in the robot product manual to reset the battery power warning by updating revolution counter.
- If the battery is discharged, replace the battery.