User Guide

consumes a fair amount of quiescent current, it is recommended that the on time
be as short as possible.
z Press ENTER key to enter the setting and press UP and DOWN key to turn off
from NEVER (always on) or 1 to 10 minutes in 1 minute increments.
Note: When the backlight turns off, pressing any key will turn it back to U-00 display
screen.
O-06: Fan Test
z Use Constant O-06 to test if the fan can be forced to be ON or OFF.
z When FAN ON is selected, the fan test is conducted as the O-06 screen remains.
Once the screen leaves O-06, it will stop the test running.
O-07: Software Version
z The software version displayed is important and useful when contacting Power
Master Technical Support.
O-08: ***Bootloader***
z This is the Bootloader initiation display. It is only used to update the firmware.
*** Main Menu***
Data Log
G-01: EnergyHarvest Today 1
z This screen displays how much the solar energy was harvested “Today” in kWHr
and AHr unit.
G-02: EnergyHarvest Today 2
z This screen displays how much time the charger was in Float mode “Today”.
z It is valuable to know that the charger enters Float mode because this is a clear
indication that the batteries have been fully recharged. If the value displayed in
“G-02=FLOAT ” is consistently 00.00 Hr, it means that the PV array is not
sufficiently sized to keep up with the load. Use a generator for additional battery
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