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Identification: MD-AL-GI-00
Rev. 1.0 of 21/07/2021 - Application: GID
User’s Manual 1PH 3000TLM-6000TLM-V3
Rev. 1.0 21/07/2021
ID04
GridUFP
The grid frequency is too
low.
correct range. If not, contact
technical support. If so, check the
AC circuit breaker and the AC
wiring of the inverter.
If the voltage/frequency is within
the acceptable range and the AC
wiring is correct while the alarm
occurs repeatedly, contact
Technical Support to change the
grid overvoltage, undervoltage,
over-frequency and under-
frequency protection points after
obtaining approval from the local
grid operator.
ID05
GFCIFault
Faulty automatic
differential circuit
breaker.
If the fault occurs occasionally,
the possible cause is that the
external circuits are abnormal
occasionally. inverter
automatically returns to normal
operating status after the fault is
rectified. If the fault occurs
frequently and lasts a long time,
check whether the insulation
resistance between the PV array
and earth(ground) is too low,
then check the insulation
conditions of PV cable.
ID06
OVRT
OVRT faulty
There are internal faults of
inverter, turn OFF the “DC
switch”, wait for 5 minutes, then
turn ON the “DC switch”. Check
whether the fault is rectified. If
no, please contact technical
support.
ID07
LVRT
LVRT faulty
ID08
IslandFault
Islanding faulty
ID09
GridOVPInstant1
Grid instantaneous
voltage too high 1
