BENSHAW RediStart MX 2 SEP Series User Manual

RediStart MX
2
- SEP Synchronous Controller User Manual
100
8.3 General Troubleshooting Charts
The following troubleshooting charts can be used to help solve many of the common issues that may occur.
8.3.1 Motor does not start, no output to motor
8.3.2 During starting, motor rotates but does not reach full speed
8.3.3 Motor stops unexpectedly while running
Condition Cause Solution
Display Blank, CPU Heartbeat LED on MX
2
board not blinking.
Control voltage absent.
Check for proper control voltage input.
Verify fuses and wiring.
MX
2
SEP control board problem. Consult factory.
Fault Displayed. Fault Occurred.
See fault code troubleshooting table for
more details.
Start command given but nothing happens.
Start/Stop control input problems.
Verify that the start/stop wiring and start
input voltage levels are correct.
Control Source parameters (QST 04–05 /
P4–5) not set correctly.
Verify that the parameters are set
correctly.
NOL or No Line is displayed and a start
command is given, it will fault in F28.
No line voltage has been detected by the
MX
2
SEP when a start command is given.
Check input supply for inline contactor, open
disconnects, open fuses, open circuit
breakers, or disconnected wiring.
Verify that the SCR gate wires are
properly connected to the MX
2
SEP control
board.
On medium voltage systems, verify
wiring of the voltage feedback measurement
circuit.
See fault code troubleshooting table for
more details.
Condition Cause Solution
Fault Displayed. Fault Occurred.
See fault code troubleshooting table for
more details.
Condition Cause Solution
Fault Displayed. Fault Occurred.
See fault code troubleshooting table for
more details.
Ready Displayed. Start command lost.
Verify start command input signal is present
or serial communications start command is
present.
Check any permissive that may be wired
into the run command (Start/Stop)
Display Blank, Heartbeat LED on MX
2
card
not blinking.
Control voltage absent.
Check for proper control voltage input.
Verify wiring and fuses.
MX
2
control card problem. Consult factory.

BENSHAW RediStart MX 2 SEP Series Specifications

General

Brand	BENSHAW
Model	RediStart MX 2 SEP Series
Category	Controller
Language	English