Hardware Troubleshooting - Parker 590+ DRV Product Manual

Inhibiting Alarms
The following alarms can be inhibited in the ALARMS menu.
SPEED FBK ALARM
ENCODER ALARM
FIELD FAIL
5703 RCV ERROR
STALL TRIP
TRIP RESET
REM TRIP INHIBIT
The block diagram can be wired to reset a trip condition by using the TRIP RESET parameter in the ALARMS function block. A FALSE to TRUE
transition of this parameter will cause the trip to reset.
NOTE
The STALL TRIP parameter in the DIAGNOSTICS menu is set regardless of the state of STALL TRIP inhibit. The flag is set after the stall
time-out expires. The relevant bit (bit 12) in the HEALTH WORD and HEALTH STORE parameters is only set when STALL TRIP is
enabled.

Hardware Troubleshooting

This section contains troubleshooting information and flowcharts for identifying and correcting hardware problems.
NOTE
Repair of DC590+ DRV is limited to basic part replacement only. Troubleshooting and electronic component at the board level is NOT
recommended. Only the control and power boards, the control fuse F1 and SCR packs are replaceable. Refer to Chapter 8 " Routine
Maintenance and Repair" for instructions.
Control Power Missing
The DC590+ DRV, frames 3, 4, 5 and 7, derives its power from an internal power supply circuit requiring a 110VAC supply with a frequency range of
40 to 70Hz. This power is normally supplied off one phase of the main drive supply through a DRV mounted control transformer. The supply to the
control transformer is limited to 230/460VAC.
The flowchart below shows the troubleshooting procedure for correcting a missing or low control power supply. The control power is missing when
the drive's LCD display and its LEDs are all out.
DC590+ DRV Series DC Digital Drive
Completely isolate power before making any wiring changes, replacing fuses, or making any link/jumper changes.
Caution
7-23
Trips and Fault Finding