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Troubleshooting
Operating Instructions 868-M PREMIUM - 02.0 - 01/2018
Code
Possible cause
3100
AC-RDY timeout,
intermediate circuit
voltage did not reach
the defined threshold
in the specified time
3101
High voltage fault,
mains voltage, longer
duration >290 V
3102
Low voltage failure
(2nd threshold) (mains
voltage < 150 V AC)
3105
U24 V short circuit
3106
2
U24 V (I
T) overload
3107
Pedal not connected
4440
OP3000: DAC receive
buffer overflow
4445
OP3000: DAC output
buffer overflow
Remedial action
• Check the mains voltage
• If the mains voltage is OK, replace
the control
• Check mains voltage, if nominal
voltage is continuously exceeded:
stabilize it or use a generator
• Check the mains voltage
• Stabilize the mains voltage
• Use generator
• Disconnect 37-pin plug; if error
persists: Replace the control
• Test inputs/outputs for 24 V short
circuit
• One or several magnets defective
• Connect analog pedal
• Check connection to OP3000
• Replace OP3000
• Replace the control
• Check connection to OP3000
• Replace OP3000
• Replace the control
153
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