Delta M Series

43
Message
Category
LED Signals
Message Explanation
Example
LED
Color
Status
Behavior
OPER Led
Normal
operation
OPER
Green
<ON>
Constant on
The inverter feeds in grid.
Sync.
OPER
Green
<BAR>
Four LEDs form
a progress bar.
The inverter is synchronizing with
grid.
LED signals:
OPER LED is ON,
BAT LED is ON.
COMM LED Blinks
Message:
Synchronization progress
is 50%-75%.
BAT
Green
<BAR>
COMM
Green
<BAR>
INFO
Green
<BAR>
Night mode
OPER
Green
<BLINK>
1s on, 4s off
Grid is connected, but the inverter
is unable to feed in grid because
PV voltage is too low.
BAT Led
Battery fault
BAT
Red
<ON>
Constant on
Battery is in fault mode.
Battery
comm. fail
BAT
Yellow
<ON>
Constant on
Battery communication timeout
Battery
standby
BAT
Yellow
<BLINK>
1s on, 1s off
Battery is in standby mode
Battery low
power
BAT
Green
<BLINK>
1s on, 4s off
Absolute battery power is lower
than 50W
Battery
normal
BAT
Green
<ON>
Constant on
Battery is in normal operation.
COMM Led
BLE fail
COMM
Red
<ON>
Constant on
BLE is in fault mode
APP
Connected
COMM
Green
<ON>
Constant on
APP is connected
BLE is
running
COMM
Green
<BLINK>
1s on, 1s off
BLE is running
Only BLINK for 2 cycles in
one minute
INFO Led
Firmware
upgrading
INFO Yellow <BLINK> 1s on, 1s off Firmware upgrading is ongoing
Receiving
image
INFO Green <BLINK> 1s on, 1s off Inverter is receiving image file
Equipment
alarm
INFO Yellow <ON> Constant on External event occurs and inverter
is unable to run
FAULT Led
Arc fault FAULT Red <ON> Constant on Arc fault occurs
Ground fault FAULT Red <BLINK> 1s on, 1s off Ground fault occurs
Other
Initialization OPER Green <ON> On until done I
nverter initialization when grid is
changing from disconnected into
connected.
BAT Green <ON> On until done
COMM Green <ON> On until done
INFO Green <ON> On until done
5.2 Button
There is button located inside the junction box, for this button, there are following functions.
1. Arc reset
Application: Clear arc fault.
Trigger condition: Press the button for 3-5 seconds.
2. Arc self-test
Application: If there is no arc fault, run arc self-test
Trigger condition: Press the button for 3-5 seconds.
2. Gateway reset
Application: gateway reset to factory status
Trigger condition: Press the button for more than 10 seconds.
5.2.1 Reset button
Reset button