Instruction manual
164
Pump Failure (one for each monitored)
This error message appears if contact closures from the Feed Verification flow monitor are
expected but are not detected by the digital input option circuit board.
Possible Causes Corrective Actions
Metering pump has lost prime. Re-prime metering pump.
Faulty metering pump. Repair or replace metering pump.
Faulty metering pump wiring. Correct wiring.
Faulty Feed Verification device wiring. Correct wiring. Make sure that digital input
that the Feed Verification device is connected
to has been assigned to the correct relay
in the Feed Verification Page.
Faulty Feed Verification sensor. Replace Feed Verification sensor.
Blown fuse. Replace fuse (F2 or F3)
Faulty output relay. Replace relay board.
Faulty digital input circuit board. Verify that Feed Verification device is making
contact closures using an ohmmeter. If OK, and
connected properly, replace digital input
board.
4-20 mA Input High Alarm
This error message is caused by the 4-20 mA signal exceeding the user-programmed value for the
high alarm limit.
Possible Causes Corrective Actions
The process value being measured by the Determine the reason for the out of spec
transmitter is out of specifications condition.
.
The high alarm limit for the process being Increase the high limit in the 4-20 mA
measured is set too low. Input Page.
There is a problem with the transmitter that
needs to be addressed by the manufacturer of
the transmitter.