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OMEGA
FP90 Series Flow Transmitter Instructions
FP90 Series Flow Transmitter Troubleshooting
Display Condition
Suggested Solutions
Possible Causes
• Increase Flow units timebase
• Move ow decimal one place to the right
• Increase Output Volume setting
• Decrease pulse width setting
• Reduce system ow rate
• Enter K-factor between 0.0001 to 99999
• Reset the hysteresis value
Flow rate exceeds display capability
Relay or Open Collector pulse rate
exceeds 300 pulses per minute.
Pulse width set too wide.
K-factors cannot be set to 0.
Hysteresis value too large
“- - - - -”
“Pulse Overrun Output1”
“Pulse Overrun Output2”
“Value must be more than 0”
Relay or open Collector output
is always activated