Led Status; Led Message - Delta M Series Operation And Installation Manual

5.1.2

LED Status

Label Designation
5.1.3

LED Message

The LEDs indicate the operational status of the inverter
Message LED Signals
Category
LED
OPER Led
Normal OPER
operation
Sync. OPER
BAT
COMM
INFO
Night mode OPER
BAT Led
Battery fault BAT
Battery BAT
comm. fail
Battery BAT
standby
Battery low BAT
power
Battery BAT
normal
COMM Led
BLE fail COMM
APP COMM
Connected
BLE is COMM
running
INFO Led
42
Firmware INFO
upgrading
Receiving INFO
Operation(OPER)
Battery(BAT)
Wireless
Communication(COMM)
Information(INFO)
Fault(FAULT)
Color Status Behavior
Green <ON> Constant on
Green <BAR> Four LEDs form
a progress bar.
Green <BAR>
Green <BAR>
Green <BAR>
Green <BLINK> 1s on, 4s off
Red <ON> Constant on
Yellow <ON> Constant on
Yellow <BLINK> 1s on, 1s off
Green <BLINK> 1s on, 4s off
Green <ON> Constant on
Red <ON> Constant on
Green <ON> Constant on
Green <BLINK> 1s on, 1s off
Yellow <BLINK> 1s on, 1s off
Green <BLINK> 1s on, 1s off
Color
Red / Green
Red / Green
Red / Green
Red / Green
Red / Green
Message Explanation
The inverter feeds in grid.
The inverter is synchronizing with
grid.
Grid is connected, but the inverter
is unable to feed in grid because
PV voltage is too low.
Battery is in fault mode.
Battery communication timeout
Battery is in standby mode
Absolute battery power is lower
than 50W
Battery is in normal operation.
BLE is in fault mode
APP is connected
BLE is running
Firmware upgrading is ongoing
Inverter is receiving image file
Example
LED signals:
OPER LED is ON,
BAT LED is ON.
COMM LED Blinks
Message:
Synchronization progress
is 50%-75%.
Only BLINK for 2 cycles in
one minute