REFUSOL 20K-2T - Page 63

REFUsol 20K-2T (853P020.200)
User manual
- 58 -
output, and communication
according to the user's manual. If the
use method is not ruled out, please
contact the new energy customer
service of Capital Airlines.
ID46
ReversalConnect
ion
Input reverse
connection error
ID47
Reserved
Reserved
ID48
SNTypeFault
SN doesn’t match
Type
It is internal fault of inverter.
ID49
Reserved
Reserved
Ensure the installation position and
installation method meet the
requirements of this user manual.
Check whether the ambient
temperature of the installation
position exceeds the upper limit. If
yes, improve ventilation to decrease
the temperature.
Check whether the inverter has dust
and dust, whether there are foreign
matters blocking the fan at the air
inlet. If so, please improve the
ventilation and heat dissipation of
the environment. It is recommended
that the inverter should be cleaned
once every half a year.
ID50
TempFault_Heat
Sink1
Heat sink1
over-temperature
protection
ID51
Reserved
Reserved
ID52
Reserved
Reserved
ID53
Reserved
Reserved
ID54
Reserved
Reserved
ID55
Reserved
Reserved
ID57
TempFault_Env1
environment
temperature1
protection
ID58
Reserved
Reserved
ID59
TempFault_Inv1
Model 1
over-temperature
protection
ID60
Reserved
Reserved
ID61
Reserved
Reserved
ID65
VbusRmsUnbala
nce
Unbalanced RMS
value of bus
voltage
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.
ID66
VbusInstantUnb
alance
Unbalanced
instantaneous
value of bus
voltage