Instruction manual

168
Rate High Alarm
The rate for a flow meter input or counter input has exceeded its programmed maximum limit.
Possible Causes Corrective Actions
The system has experienced too high a rate Evaluate system
The rate high alarm point is too low Go to the input page and reset the limit
You are getting false contacts. Go to the appropriate Input Page and verify
that the total is increasing even when the
solution is not flowing.
Disconnect the input cable from the
controller and verify that the flow total stops
increasing. Route the input cable away
from any AC voltage and make sure that the
cable is shielded.
Rate Low Alarm
The rate for a flow meter input or counter input is less than its programmed minimum limit.
Possible Causes Corrective Actions
The system has experienced too high a rate Evaluate system
The rate low alarm limit is too high Go to the input page and reset the alarm limit
The input is no longer connected Check the wiring. Short the cable at the device
end to verify that it is OK.
Faulty device Repair or replace the device.
Faulty digital input If shorting the input does not yield a count,
replace the input circuit board.
Sensor calibration time
Normal condition; programmed calibration reminder time has elapsed
4-20 mA Input Sensor Error
This error message is caused by a 4-20 mA input signal that is less than 3.9 mA or greater than 21
mA.
Possible Causes Corrective Actions
Faulty transmitter. Make sure that the transmitter is functioning
by measuring the output using an ammeter. If
the output directly from the transmitter is less
than 4 mA, the transmitter is the problem.
Faulty wiring between transmitter and Repeat the measurement of the transmitter
analog input option circuit board. output at the 4-20 mA input option board
terminal strip. If this is less than 4 mA, then
the wiring is faulty. Also make sure that the
wires are attached to the correct terminals as
defined in the 4-20 mA Input Page.
Faulty analog input option circuit board. Replace the 4-20 mA input option board.