USC MX2500 Operator's Manual page 60

Alarm - Fault
Atomizer Motor Fault
Pump Motor Fault
Mix Tank Motor Fault
Inlet Conveyor Motor Fault
Outlet Conveyor Motor Fault
Pump - Not In Process:
Seed Wheel - Lbs/Min Under
Range
Page 60
MX2500
Possible Cause
1. No signal from Atomizer
motor drive (VFD) indicating
that the Atomizer is running.
2. Atomizer motor has been
shutdown while in Auto mode
of operation.
1. No signal from Pump motor
drive (VFD) indicating that
the Pump is running.
2. Pump motor has been
shutdown while in Auto mode
of operation.
Mix Tank motor auxiliary contact
was not sensed after being
energized to run.
Inlet Conveyor motor auxiliary
contact was not sensed after
being energized to run.
Outlet Conveyor motor auxiliary
contact was not sensed after
being energized to run.
Valve of the liquid displayed
failed to divert to process when
requested.
Actual Lbs/Min is under 95% of
target rate.
USC,
LLC
Solution
1. Verify that the VFD is
powered up, or check if it is
faulted out.
2. Verify that the Atomizer was
not turned "Off" while the
system was in Auto mode of
operation.
1. Verify that the VFD is
powered up, or check if it is
faulted out.
2. Verify that the Pump was not
turned "Off" while the system
was in Auto mode of
operation.
Verify that the motor starter has
power and is turned on.
Verify that the motor starter has
power and is turned on.
Verify that the motor starter has
power and is turned on.
Verify valve has diverted, if so
troubleshoot sensor, if not check
air supply and signal to valve.
Make sure the VFD is not maxed
out at the specified target rate.
Check for sluggish or oscillating
Seed Wheel response. Call the
manufacturer.