BougeRV FLASH-300 - Page 17

Error Code & Troubleshooting
Module Error Code Explanation Troubleshooting
PV
POT: Over /
Under-Volt-
age Protec-
tion
When the PV input
voltage is over 45V or less
than TIV, turns off the PV
input
Please check whether the
voltage is too high due to
too many panels connect-
ed in series. If you use a
single panel to charge,
please make sure the
voltage is over V.
PO2: Overcur-
rent Protec-
tion
When the PV input
current is over 35A, it will
turn off the PV input
Please check whether the
parallel connection of
multiple panels leads to
excessive current. It is
recommended to increase
the series connection and
reduce the parallel
connection.
P20
Overheating
Protection
When the temperature of
the PV module is over
158°F, it will turn off the
PV input
Step 1: Stop charging and
observe whether the error
code disappears after the
temperature drops
Step 2: If the code still
exists, please contact our
customer service
AC
CO02: Overcur-|
rent Protec-
tion
When the AC charging
input current is over 26A,
turn off the input
The fuse will pop up
automatically. If you want to
continue charging, please
press the fuse button.
cos:
Overheating
Protection
Cut off the input when
the temperature is above
167°F, and automatically
recover when the
temperature is below
T3F.
Please charge it under the
suitable temperature
environment (32°F to T13°F)