Table of Contents
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Pump Over
A.Old
Current
Protection
Minimum Power
A.LPr
Protection
Water Fulfilled
A.FuL
Protection
A.LU1
Bus voltage too low
●Current is higher than set
●Output power is very low
●Water tank is fulfilled
Check the value of the input voltage
23
SI23 Solar Pump VFD Manual
●Check the pump load
●Check F21.20/F21.21/F21.22
settings
●Check the solar power
●Check F21.23/F21.24/F21.25
settings
●Please check the water tank
●Check F21.27/F21.28
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