HM30 User Manual v1.3
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2024 SIYI Technology Copyright
1.5 Indicator Definition
The status indicators on ground unit and air unit use different colors and different
blinking frequencies to indicate the system’s working or abnormal status.
1.5.1 Ground Unit Indicator
Solid Red: No communication between ground unit and air unit.
Fast Red Blinks: Ground unit is binding to air unit.
Slow Red Blinks: Ground unit firmware does not match to air unit firmware.
Triple Red Blinks: System initialization failed.
Fast Red-Yellow Blinks: FPV firmware does not match to function firmware.
Slow Red-Blue-Yellow Blinks: System is starting.
Fast Red-Blue-Yellow Blinks: Firmware is updating.
Fast Yellow Blinks: Ground unit voltage abnormal.
Double Yellow Blinks: Ground unit Bluetooth is not identified.
Triple Yellow Blinks: Transmission system data overload alert, level one.
Slow Yellow Blinks: Transmission system data overload alert, level two.
Yellow-Red Blinks: Ground unit overheat alert, level one.
Yellow-Red-Red Blinks: Ground unit overheat alert, level two.
Yellow-Red Blinks: Ground unit overheat alert, level three.
Solid Blue: Perfect communication, receiving 100% data package. Blue Blinks: Blinking
frequency indicates the system’s signal quality. More frequently it blinks, worse the signal
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