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ALARM TEXT
LOW PRESSURE
ALARM
HIGH PRESSURE
ALARM
LOW SUCTION
PRESSURE ALARM
LOW WATER ALARM
PRESSURE SENSOR
OPEN CIRCUIT
PRESSURE SENSOR
SHORT CIRCUIT
PUMP 1 FAULT
PUMP 2 FAULT
PUMP 3 FAULT
PUMP 1 COMM FAIL
PUMP 2 COMM FAIL
PUMP 3 COMM FAIL
SJE
®

ALARMS

DEFINITION
The system pressure is below the low
pressure alarm setting.
The system pressure is above the
high pressure alarm setting or the high
pressure input is active.
The low suction pressure input is active.
The low water alarm input is active.
The controller is seeing an open circuit
on the pressure transmitter input.
The controller is seeing a short circuit
on the pressure transmitter input.
There is an active fault condition on the
pump 1 VFD.
There is an active fault condition on the
pump 2 VFD.
There is an active fault condition on the
pump 3 VFD.
The controller is unable to communicate
with the pump 1 VFD.
The controller is unable to communicate
with the pump 2 VFD.
The controller is unable to communicate
with the pump 3 VFD.
FIX
Check pump rotation, check pump
discharge plumbing, check pump intake.
Check pump HAND/OFF/AUTO
switches.
Check pump intake, check suction
pressure switch, check water supply.
Check level switch, check water supply.
Check pressure transmitter cable, check
pressure transmitter connector, replace
defective pressure transmitter.
Check pressure transmitter cable, check
pressure transmitter connector, replace
defective pressure transmitter.
Check active fault of pump 1 VFD, repair
fault condition of pump 1 VFD.
Check active fault of pump 2 VFD, repair
fault condition of pump 2 VFD.
Check active fault of pump 3 VFD, repair
fault condition of pump 3 VFD.
Check communication cable from
controller to pump 1 VFD. Check pump 1
VFD communication parameters.
Check communication cable from
controller to pump 2 VFD. Check pump 2
VFD communication parameters.
Check communication cable from
controller to pump 3 VFD. Check pump 3
VFD communication parameters.
13
VFDC-3000 Controller User Manual

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