Trips and Fault Finding
6511
Keypad
Display
6901
Keypad
Display
Description Possible Reason for Trip
DCRP VDC RIPPLE
♦ The dc link ripple voltage is too high. Check for a
missing input phase.
DBSC BRAKE SHORT CCT Brake resistor overcurrent
♦ Check brake resistance is not less than minimum
value allowed
♦ check wiring and brake resistor for earth faults
OSPD OVERSPEED
♦ Speed feedback > 150% for 0.1 seconds
ANIN ANALOG INPUT ERR
♦ 4-20mA analog input current > 22mA could damage
the input circuit
DBCT INT DB RESISTOR
♦ Braking mode set to INTERNAL (future use only).
Set to EXTERNAL and connect an External Braking
Resisitor if braking is required.
TRIP UNKNOWN
♦ An unknown trip - refer to Parker SSD Drives
TR32 OTHER
♦ Refer to OTHER in Appendix D : TRIPS STATUS.
One or more trips have occurred with a Value greater
than 32. See the list.
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A
B
C
D
E
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D Page
10-9
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