NORD Drivesystems BU0750 - Manual (Page 138)

NORDAC SK 750E Manual
138 Subject to technical amendments BU 0750 GB-3311
Display Fault Cause
 Remedy Group Details in
P700 / P701
E017 17.0 Customer unit change New or missing customer unit.
 Switch mains voltage off and on again
E020 20.0
External RAM error
System error in program execution, triggered by
EMC interference.
Please comply with wiring guidelines in Section
2.6.
Use additional external line filter. (Section 10.3 /
10.4 EMC)
FI must be very well "earthed".
20.1 Watchdog
20.2 Stack overflow
20.3 Stack underflow
20.4 Undefined opcode
20.5 Protected Instruction
20.6 Illegal word access
20.7 Illegal instruction access
20.8 EPROM error
20.9 Error Dual-Port-Memory
21.0 NMI error (not used by hardware)
21.1 PLL error
21.2
ADU Overrun
21.3 PMI Access Error