U-DTW-1 Waterproof Shuttle LED Error Codes

Most Frequent Errors (*)

LED Error Code

Description

Likely Cause of Problem

11

Logger communication failure during offload

Logger moved during offload

*

12

No logger found

Clean optic surfaces, check logger battery

*

13

Shuttle is full

Offload and relaunch shuttle

*

14

No tags found in logger or invalid logger memory size

Logger was not launched with HOBOware 2.2+ Unlikely Cause: Logger has more than 64K of memory and is not supported by this version of Shuttle Firmware

21

Logger communication failure during launch (data offloaded ok)

Logger moved during offload

22

Invalid re-launch parameters/first 512 bytes of header could not be offloaded

Possibly a corrupted header in the logger

23

Logger header can't be verified, can't launch

Logger moved during offload

24

SHUTTLE_INFO tag version incompatibility, can't launch

A unsupported future version of HOBOware was used to launch the logger in question, look for a Shuttle firmware update

25

RELAUNCH_COMMANDS tag version incompatibility, can't launch

A unsupported future version of HOBOware was used to launch the logger in question, look for a Shuttle firmware update

*

33

Low shuttle battery voltage

Shuttle batteries are below 2.2 volts, replace and relaunch

*

34

Invalid shuttle clock time

Shuttle was not launched after power reset

42

Logger failed communications test

Check logger alignment, clean optical surfaces

44

Atmel memory test failed

Bad memory, return to Onset for memory replacement

Yellow LED is on continuously

Switch is stuck on

Magnet is in coupler is too powerful/reed switch is too sensitive

All three LEDs Blink simultaneously

Power reset

Loose connection on PCB or something is shorting on the PCB

Green and Yellow LEDs alternately blink

Shuttle is in Firmware Update Mode and has enumerated with a USB port on a PC

Logger was powered up with the reed switch activated. Remove coupler and cycle power.

Green and Yellow LEDs blink simultaneously

Shuttle is in Firmware Update Mode and but is not connected to a USB port

Logger was powered up with the reed switch activated. Remove coupler and cycle power (batteries and USB cable).