22 I VFD-4000
VFD-4000 I 23
Note
Alarm logs
VFD-4000
VFD-4000
Display Content Default
Communication Error
Check the connection between
the master and slave pump.
Sensor Error
Check the sensor connection or
replace the sensor to a new sensor.
Low Current Stop
water. Check if the air enters into the
pump.
Low Pressure Stop
Check sensor condition and low
water level.
Low-Level Stop by
external input
Check the inlet and outlet manifold.
Anti-freezing Error by
external input
Contact your local distributor.
Booster System Alarm
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