Error code 121
Row module: Sensor undervoltage
Warning at Drill and Maestro.Drill (121-1)
since version 10.05
Maestro (121-2)
since version 10.05
When does the warning occur?
Operation voltage on sensor too low.
Does a Drilling error (drilling drop-out) occur?
No.
What to do?
- Inspect supply voltage on sensor.
Is there an audible indication?
Single acoustic signal
How is the warning confirmed?
Not possible until error has been rectified
Terms of use
Note: The assistance operations given in the present application may only be carried out observing the safety notes in the operating instructions of the corresponding machine. Compensation claims for damages due to non-observance of the operating instructions are excluded.