Release Notes
ATOM UAV MANUAL 
Date: 
2022
-
01
-
04
Version: 1.3
Page: 37 of 39
FLARM Technology 
Ltd
Hinterbergstrasse 15 
CH-6330 Cham 
Document Number: 
FTD-088
Appendix A – List of Error Codes 
The table below lists the error codes that can be indicated and their meaning. The 
hexadecimal value of the error code is shown. Some displays may instead indicate 
the decimal value and/or a text description. The possible error code range is from 
0 to FFF. 
Error Code (Hex)
Meaning
11
Firmware  expired (requires  valid 
GNSS
information, 
i.e.,
will not be available during the first minutes after power-
on)
12
Firmware update error
21
Power (
e.g.,
voltage
below minimum
)
22
UI error
23
Audio error
24
ADC error
25
SD card error
26
USB error
27
LED error
28
EEPROM error
29
General hardware error
2A
Transponder receiver Mode
-
C/S/ADS
-
B unserviceable
2B
EEPROM error
2C
GPIO error
31
GNSS
communication
32
Configuration of 
GNSS
module
33
GNSS
antenna
41
RF communication
42
Another  FLARM  device  with  the  same  Radio  ID  is  being 
received. Alarms are suppressed for the relevant device. 
43
Wrong ICAO 24
-
bit address or radio ID
51
Communication
61
Flash memory
71
Pressure sensor
81
Obstacle database (
e.g.,
incorrect file type)
82
Obstacle database expired
91
Flight recorder
93
Engine
-
noise recording not possible
94
Range analyzer
100
Generic error
101
Flash File 
System error
110
Failure updating firmware of external display
120
Device  is  operated  outside  the  designated  region
;
th
e 
device does not work 
F1
Other










