Phocos MPS45 Guide De L'utilisateur page 30

Possible failure reasons
Battery bad
If after charging stopped failure disappears, start new procedure.
Night detection
Discharge current protection at night by FET switch off.
Panel open circuit voltage measured during day and night.
Clear status display by 3 LEDs
Yellow: MPS ready
Green: MPS FET is on
Red: Failure
Manual setting by DIP switch
Additional features available if MPS is used together with Phocos Modular Control Unit MCU
(not object of this manual )
2.2 Setting up your MPS as PV charge controller (stand-alone mode)
Please be sure to always follow this procedure in the following sequence:
Set the DIP switches according to the PV charge controller function
Mount MPS on DIN rail or wall
Connect the battery to the unit with proper polarity
Connect the solar array to the unit
When disassembling, perform the installation sequence in reverse order.
Note: Changes to DIP switches after connecting the unit to the battery do not affect the function
of the unit.
2.2.1 Setup DIP switches
The MPS comes with an 8 pole DIP-switch, which can be used to set up your MPS.
ON
OFF
1
Adjust the DIP switch settings according your requirements:
2 3 4 5
Action:
Reduce charging voltage. If this does not correct the
issue, charging stops (tries later), failure status LED
SAB
6 7 8
28
ON
OFF