Chapter 5
Troubleshooting
5. Troubleshooting
5.1. Normal Boot Process
The normal boot process of the eWON COSY takes approximately 25 seconds to complete.
During this process, all LEDs are shortly ON, except BI1 as long as the RESET button is not
pressed. During this boot sequence, the USR LED is orange. As soon as the boot process is
finished and the unit is ready to be used, the USR LED flashes GREEN slowly.
5.2. Resetting the eWON COSY 131
The reset button B1 is located on the front of the COSY unit (see in 3.3.1.Front). The reset
function of this button is active only if pressed while powering on. The eWON COSY features
two type of reset levels. A table follows with the impacted configuration zones per reset
level.
5.3. First Level Reset (user reset)
The first level reset consists in formatting only the « user files » part of the non volatile
memory. This type of reset does not modify the communication parameters of the eWON
COSY.
How do I generate a first level reset?
• Power the unit OFF and ON again
• Immediately press and maintain the reset button. The LED labeled BI1 turns ON.
• Wait approximately 30 seconds until the USR LED flashes RED 1x per second.
• Immediately release the button (if you don't, you would reach the second level reset
phase). The LED labeled BI1 turns OFF.
• Wait approximately 30 secs until the reset procedure is completed.
• The eWON restarts automatically and the unit is ready to be used, the USR LED flashes
GREEN slowly.
5.4. Second Level Reset (factory reset)
This second level reset formats the entire non volatile memory and returns the eWON to its
factory settings. This operation consists in 3 steps:
• Formats the entire non volatile memory, including all COM parameters and IP
addresses
• Full hardware auto-test with result shown by the USR LED
• Return to ex-factory configuration (default config)
How do I generate a second level reset?
Page 24 / 30 eWON COSY 131 | IG 022
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