66
Warning Possible Causes Solution
Warning LED flashing
Ungrounded Drive, with
ground detection parameter
disabled (will operate for 72
hours and then fault).
Verify ground wire is connected on both
incoming voltage side and motor side of
Drive.
With the power disconnected, use an
ohmmeter to verify which pipe the Drive’s
transducer is connected to. Also verify
that the input ground wire is at the same
potential, e.g., has approximately the same
ohm reading.
Verify the input ground is connected all the
way back to electrical panel.
Jam Warning
Debris in pump stopping
motor from turning (locked
rotor).
Drive tries to free debris in pump by
reversing or pulsing motor.
Over Pressure Warning
Pressure rising above Over
Pressure setting.
Drive stops and waits 1 minute, then
checks that pressure is below the Setpoint
pressure. Below it restarts, if not checks
again in another minute. Can increase over-
pressure value.
Drive Reset Procedure
Press Enter
Press Password
button
Press Enter to Edit
Change “No” to “Yes”
Confirm Reset
Press Main Menu
button
Press up or down arrow
until Reset appears
Enter Passwword
(Default is 7777)
Press Enter
Press Enter
Follow the keypress sequence
shown at right to test the Drive.
NOTICE In a domestic environment, this product
may cause radio interference which may require
supplementary mitigation measures.
Figure 20 - Drive Reset Procedure
SECTION 8: Pentek Intellidrive
™
Variable Frequency Drives
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