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Troubleshooting
Error code
2020
2021
2101
2103
2120
2121
2122
2155
2201
2203
2220
2221
2222
2255
3100
Service Instructions 195 - 00.0 - 12/2017
Type
Possible cause
Information
DACextension box not
responding
Information
Sewing motor encoder
plug (Sub-D, 9-pin)
not connected to
DACextension box
Error
DA stepper card 1
reference run timeout
Error
DA stepper card 1 step
losses
Information
DA stepper card 1 not
responding
Information
DA stepper card 1
encoder plug
(Sub-D, 9-pin) not
connected
Information
DA stepper card 1
flywheel position not
found
Error
DA stepper card 1
overload
Error
DA stepper card 2
reference run timeout
Error
DA stepper card 2 step
losses
Information
DA stepper card 2 not
responding
Information
DA stepper card 2
encoder plug
(Sub-D, 9-pin) not
connected
Information
DA stepper card 2
flywheel position not
found
Error
DA stepper card 2
overload
Error
AC-RDY timeout,
intermediate circuit
voltage did not reach the
defined threshold in the
specified time
Remedial action
• Check connection cables
• Check LEDs of DACextension
box
• Software update
• Connect encoder cable to
DACextension box using the
correct connection
• Check reference sensor
• Check for stiff movement
• Check connection cables
• Check LEDs of DACextension
box
• Software update
• Connect encoder cable to the
control, use correct connection
• Check connection cables
• Check stepper motor 1 for stiff
movement
• Check for stiff movement
• Check reference sensor
• Check for stiff movement
• Check connection cables
• Check LEDs of DACextension
box
• Software update
• Connect encoder cable to the
control, use correct connection
• Check connection cables
• Check stepper motor 2 for stiff
movement
• Check for stiff movement
Check mains voltage
• - If the mains voltage is OK,
replace the control
141
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