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©
2017 Sensata Technologies
Operation
4.2.7
SELECT and RESET Pushbuttons
SELECT
- This pushbutton allows you to quickly scroll through the operational screens, and is
also used to stop or resume the digital display from auto-scrolling. Normally, the digital display
automatically scrolls through the operational screens. Press this pushbutton for two seconds to
stop the automatic scrolling. Once the automatic scrolling has stopped, quickly pressing and
releasing the SELECT pushbutton allows you to advance to the next screen in sequence. To restart
the auto-scrolling of the screens, press this button again for two seconds.
RESET
- This pushbutton is used to clear any active fault. Most faults can be cleared by pressing the
RESET pushbutton for one second (Fault Code F14 takes 10 seconds). See Section 5.3, Troubleshooting
Based on Fault Codes for speci
fi
c information on clearing and troubleshooting fault codes.
Info:
Pressing the SELECT and RESET pushbuttons at the same time for two seconds
enables the equalization charge—if allowed based on the Battery Type DIP switch
setting (see Table 3-1). Once an equalization charge has been enabled, it will run for the
equalization time (see Table 3-1), or you can press the SELECT and RESET pushbutton
at the same time again for two seconds to stop the equalization charge stage.
Info:
The RESET pushbutton is also used to perform a controller reset (also known as
a soft reset), press and hold the RESET pushbutton for approximately ten (10) seconds
until the PT controller begins the power-up test routine. During this power-up test, all
the LED indicators and each segment of the display will come on, the internal alarm
beeps three times, and right before the power-up test
fi
nishes, the PT
fi
rmware version
and the nominal DC detected voltage are displayed (see Figure 2-27).
Info:
You can check the pushbutton response by pressing the SELECT or RESET
pushbutton and listening for a beep after an active function (e.g., manual scrolling).
Figure 4-7, SELECT and RESET Pushbuttons
SELECT
Pushbutton
RESET
Pushbutton
4.2.6
Display/LED Indicator Summary
• PV VOLTS (green) is ON = displays the input voltage from the PV array.
• PV KW (green) is ON = displays the PV array power (in kilo-watts) to the battery bank.
• Battery VOLTS (green) is ON = displays the voltage of the battery bank.
• Battery AMPS (green) is ON = displays the current going into the battery bank.
• BULK (blue) is ON = the controller is in the Bulk charge mode.
• ABSORB (yellow) is ON = the controller is in the Absorption charge mode.
• FLOAT (green) is ON = the controller is in the Float charge mode.
• FAULT (red) is ON = the controller has an active fault (view F## fault code on display).
• AUX (yellow) is ON = the auxiliary relay is energized.
• BULK, ABSORB or FLOAT (
the active charge stage
) is double-blinking ON every second =
controller is limiting power to the battery by backing off charging (from high temp, etc.,).
• BULK (blue), ABSORB (yellow) then FLOAT (green) are ON every second in order = controller
is in the Equalize charge mode.
• Display and the four LED’s around the display are off (except the decimal point/period in each
segment of the display comes on in sequence) = PowerSave mode is enabled in the controller.
Comes out of PowerSave mode with an active fault or any button is pushed and returns to
PowerSave mode if no fault occurs, or no button is pushed for 15 minutes.
