Troubleshooting
144 Operating Instructions 867 - 04.0 - 03/2018
2101 Error DA stepper card 1
reference run timeout
• Check reference
sensor
2103 Error DA stepper card 1 step
losses
• Check for stiff
movement
2155 Error DA stepper card 1
overload
• Check for stiff
movement
2201 Error DA stepper card 2
reference run timeout
• Check reference
sensor
2203 Error DA stepper card 2 step
losses
• Check for stiff
movement
2255 Error DA stepper card 2
overload
• Check for stiff
movement
3100 Error AC-RDY timeout,
intermediate circuit
voltage did not reach the
defined threshold in the
specified time
• Check the mains
voltage
• If the mains voltage is
OK, replace the control
3101 Error High voltage fault, mains
voltage > 290 V for an
extended period
• Check mains voltage, if
nominal voltage is
continuously exceeded
• stabilize it or use a
generator
3102 Error Low voltage failure
(2
nd
threshold), mains
voltage < 150 V AC
• Check the mains
voltage
• Stabilize the mains
voltage
• Use generator
3104 Warning Pedal is not in position 0 • When switching the
control on, take your
foot off the pedal
Code
Error/
warning
Possible cause Remedial action
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