Troubleshooting 21
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 Overpressure
Settingpressure.Belowitrestarts,ifnot
checks again in another minute. Can
increase over-pressure value.
Troubleshooting, continued
Drive Reset Procedure
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
Press Enter
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