INVT Goodrive100-PV Series

Goodrive100-PV Series Solar Pumping VFD Fault diagnosis and solution
64
Fault
code
Fault type
Possible cause
Solutions
is insufficient.
strong.
Check whether the solar cell
panel configuration is proper.
A-LL
Underload alarm
The reservoir is empty.
Check the reservoir.
A-tF
Full-water alarm
The reservoir is full.
If the user has set the full-water
alarm function, the equipment
automatically stops when the
full-water alarm time reaches the
specified time. In this situation,
the user does not need to
perform any operation.
Otherwise, check whether
terminals are wired incorrectly.
A-tL
Empty-water alarm
The reservoir is empty.
If the user has set the
empty-water alarm function, the
equipment automatically stops
when the empty-water alarm
time reaches the specified time.
In this situation, the user does
not need to perform any
operation. Otherwise, check
whether terminals are wired
incorrectly.