REFUSOL 20K-2T - Page 64

REFUsol 20K-2T (853P020.200)
User manual
- 59 -
ID67
BusUVP
Bus undervoltage
during grid
connection
If the configuration of the PV array is
correct, could be the sun irradiation
is too low. Once sun irradiation back
to normal, inverter will work back
normal
ID68
BusZVP
Bus voltage is low
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.
ID69
PVOVP
PV overvoltage
ID70
Reserved
Reserved
ID71
LLCBusOVP
LLCBUS
overvoltage
ID72
SwBusRmsOVP
Inverter bus
voltage
overvoltage
software
ID73
SwBusInstantOV
P
Inverter bus
voltage
instantaneous
value
overvoltagesoftw
are
ID81
Reserved
Reserved
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.
ID82
DciOCP
Dci overcuurent
faulty
ID83
SwOCPInstant
Output
instantaneous
current
protection
ID84
SwBuckBoostOC
P
BuckBoost
software
overcurrent