Sofar HYD 5KTL-3PH - Page 99

HYD 5/6/8/10/15/20KTL-3PH USER MANUAL
97
Inverter will
automatically
return to normal
operating status
when the electric
grid’s back to
normal.
If the alarm occurs
frequently, check
whether the grid
voltage/frequency
is within the
acceptable range.
If yes, please check
the AC circuit
breaker and AC
wiring of the
inverter.
If the grid
voltage/frequency
is NOT within the
acceptable range
and AC wiring is
correct, but the
alarm occurs
repeatedly, contact
technical support
to change the grid
over-voltage,
under-voltage,
over-frequency,
under-frequency
protection points
after obtaining
approval from the
local electrical grid
operator.
ID003
GridOFP
The mains
frequency is too
high
ID004
GridUFP
The mains
frequency is too
low
ID005
GFCI
Charge Leakage
Fault
Check for inverter
and wiring.