SOLARDRIVE
PLUS
PROGRAMMING
GUIDE
24
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107
2.2.13.
Indicator LEDs on the Display/Keypad
Eleven LEDs are located on the keypad, along with a 4-line, 16-character LCD display, a buzzer and 12 function keys.
The display shows the parameter values, the diagnostic messages and the variables processed by the drive.
The figure below shows the location of the indicator LEDs and their functionality.
Figure 4: Display/Keypad of the Solardrive Plus
RUN LED
– GREEN
Motor not powered
Motor powered, but no torque (idle)
Motor powered and running
PV OK LED
– GREEN
DC voltage out of required working range
DC voltage within working range
ALARM LED
– RED
Inverter Ok
Alarm tripped
LIMIT LED
– YELLOW
No active limit
Voltage or current limit active
WARNING LED
– YELLOW
No active Warning
Warning showed on the display
TX and RX LED
– GREEN
TX
RX
No parameter transfer in progress
Download: waiting for confirmation
Upload: waiting for confirmation
Parameter downloading from keypad to
inverter
Parameter uploading from inverter to keypad
L-CMD LED
– GREEN
Commands sent from sources other than keypad
Commands sent both from keypad and terminal board
Commands sent from keypad only
L-REF
– GREEN
Reference sent from sources other than keypad
Reference sent both from keypad and terminal board
Reference sent from keypad only
Key
LED off
LED flashing
LED on (fixed)