Sofar solar HYD 10K-20KTL-3PH User Manual page 54

Table 7-1 Eventlist
Code Name
ID001 GridOVP
ID002 GridUVP
ID003 GridOFP
ID004 GridUFP
ID005 GFCI
ID006 OVRT fault
ID007 LVRT fault
ID008 IslandFault
ID009 GridOVPInstant1
ID010 GridOVPInstant2
HYD 10-20KTL-3PH
Description
The grid voltage is too
high
The grid voltage is too
low
The grid frequency is
too high
The grid frequency is
too low
Charge Leakage Fault
OVRT function
faulty
LVRT function is faulty
Island protection error
Transient overvoltage
of grid voltage 1
Transient overvoltage
of grid voltage 2
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If the alarm occurs occasionally, the
possible cause is that the electric grid is
abnormal occasionally.
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,
over-frequency, under-frequency protection
points after obtaining approval from the
local electrical grid operator.
is
Internal faults of inverter, switch OFF
inverter, wait for 5 minutes, then switch ON
inverter. Check whether the problem is
solved.
If no, please contact technical support.
User manual
Solution
Inverter
under-voltage,
will