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HYD 5-20KTL-3PH
User manual
Copyright ©Shenzhen SOFARSOLAR Co., Ltd
- 97 -
5.
Disconnect the PV side DC switch.
6.
Turn off the battery and disconnect the DC switch between the battery and the
inverter.
7.
Wait for 5 minutes before checking the inverter.
Follow the steps below to view recorded problems: Press “Back” to enter
the main menu in the normal interface. In the interface screen select "Event
List", then press “OK” to enter events.
Earth Fault Alarm
This inverter complies with IEC 62109-2 clause 13.9 for earth fault alarm
monitoring.
If an Earth Fault Alarm occurs, the fault will be displayed on the LCD screen,
the red light will be on, and the fault can be found in the history of the fault.
For the machine installed with WiFi/GPRS, the alarm information can be seen
on the corresponding monitoring website, and can also be received by the APP
on the mobile phone.
Event List information
Table 9-1 Event list
Code
Name
Description
Solution
ID001
Grid overvoltage
The grid voltage is too
high
If the alarm occurs occasionally, the
possible cause is that the electric grid is
abnormal occasionally. 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.
ID002
Grid undervolt
The grid voltage is too
low
ID003
Grid overfreq
The grid frequency is
too high
ID004
Grid underfreq
The grid frequency is
too low
ID005
GFCI Fault
Charge Leakage Fault
Check for inverter and wiring.
ID006
OvrtHigh
OVRT function is
faulty
If the alarm occurs occasionally, the
possible cause is that the electric grid is