8 - Troubleshooting & Maintenance
101
8.3.4
Metering incorrect (Hall Effect)
8.3.5 Other
Situations
Condition
Cause
Solution
Current or Voltage meters fluctuating with
steady load.
Loose connections.
Shut off all power and check all connections.
SCR fault.
Verify that the SCRs gate leads are
connected properly and the SCRs are ok.
Load actually is not steady.
Verify that the load is actually steady and that
there are not mechanical issues.
Other equipment on same power feed
causing power fluctuations and/or
distortion.
Fix cause of power fluctuations and/or
distortion.
Current Metering not reading correctly.
HE ratio parameter (FUN03 / P34) set
incorrectly.
Verify that the HE ratio parameter is set
correctly
Condition
Cause
Solution
Erratic Operation
Loose connections
Shut off all power and check all connections
Controller cooling fans do not operate
(When Present)
Fan power supply lost
Verify fan power supply, check fuses.
Fan wiring problem
Check fan wiring.
Fan failure
Replace fan.
Analog Output not functioning properly
Voltage/Current output switch (SWI-2) not
set correctly
Set switch SW1 to give correct output.
Wiring problem
Verify output wiring.
Analog Output Function parameter (I/O09 /
P53) set incorrectly
Verify that the Analog Output Function
parameter is set correctly.
Analog Output Offset and/or Span
parameters (I/O11 / P55 and I/O10 / P54)
set incorrectly
Verify that the Analog Output Span and
Offset parameters are set correctly.
Load on analog output too high
Verify that load on analog output meets the
MX2 analog output specifications.
Ground loop or noise problems
Verify correct grounding of analog output
connection to prevent noise and/or ground
loops from affecting output.
Remote Keypad does not operate correctly
Keypad cable not plugged in properly or
cable is damaged
Verify that the remote keypad cable has not
been damaged and that it is properly seated
at both the keypad and the MX2 control
card.
Remote display damaged
Replace remote display.
Cannot change parameters
Passcode is set
—
Controller is running
—
Modbus is overriding
—
Содержание RediStart MX2 SEP
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