TBB power Solar Mate - FAQ; Fault code

3
MPPT charge controller User Manual
6. FAQ
6.1 Fault code
Alarm level definition:
 Fault: MPPT charger failure, into shutdown mode, no more charging.
 Warning: MPPT charger warning, but also charging normally.
Type ID Name Reason Suggestion
Fault
0 Vbus_OV PV voltage is too high.
 Check the string of PV
array.
 Make sure that the PV open
circuit voltage never higher
than the maximum range of
MPPT charger.
 If it happens frequently,
please contact your dealer.
1 Vbat_OV
Battery over voltage.
 Check whether the battery
voltage setting of the
charger is consistent with
the battery configuration.
 Change battery voltage of
the charger, or change
battery configuration.
 If it happens frequently,
please contact your dealer.
2 Vbat_OV_HD
3 Buck_Short Cut Battery short circuit.
 Check battery wiring. And
charger will return to normal
operation after the failure
disappears.
 If no, please contact your
dealer.
4 I_Buck1_OC
Buck1 of charger over
current.
 Check whether the
maximum charging current
is over range.
 Check whether the charger
model setting is correct.
 If the settings are correct,
please contact your dealer.
5 I_Buck2_OC Buck2 of charger over
current.