HMS EC71330 00MA, Installation Manual, Page: 18 / 26

Troubleshooting 16 (24)
6 Troubleshooting
6.1 Normal Boot Process
The normal boot process of the Ewon Cosy+ takes approximately 1m30 to 2 minutes to complete.
During this process, all LEDs are first shortly on (except BI1) then only the
PWR LED stays steady
green.
As soon as the boot process is completed and the unit is ready to be used, the USR LED blinks
green slowly whereas others might be steady green (if the device is connected to Internet,
Talk2M...).
6.2 Resetting the Ewon Cosy+
The reset button BI1 is located on the front of the Cosy+ (see Front, p. 12 ). The reset function of
this button is active only if pressed while powering on.
The Ewon Cosy+ features two levels of reset:
6.2.1 First Reset Level: User Reset
The first reset level is a selective reset that erases the user files part and the system settings. This
type of reset does not alter the communication parameters of the Ewon Cosy+.
Hereunder is the process to perform a first reset level:
• Power off the unit.
• While powering it on, press & maintain the reset button. The LED labeled BI1 turns green.
• Keep the reset button pressed for approximately 30 seconds until the USR LED blinks red 1x
per second. If it isn’t released at that specific moment, a second level reset phase is initiated.
The LED labeled
BI1 turns off.
• Wait approximately 30 seconds until the reset process is completed.
• The Cosy+ automatically restarts and the unit is ready to be used, the USR LED blinks green
slowly (this entire step takes approximately 2 minutes).
6.2.2 Second Reset Level: Factory Reset
The second level reset restores the Cosy+ to its factory settings. This operation consists in 3
steps:
• Format 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 configuration)
Hereunder is the process to perform a second reset level:
• Power off the unit.
• While powering it on, press & maintain the reset button. The LED labeled BI1 turns green.
• Keep the reset button pressed for approximately 35 seconds until the USR LED remains red
steady.
• When this state is reached, release the button. The LED labeled BI1 turns off.
• Check if the auto test is successful, the USR LED blinks red with a pattern of 200ms on and
800ms off. The Cosy+ does NOT restart by itself in normal mode and remains running in this
diagnostic mode.
Ewon Cosy+ Installation Guide
IG-0031-00 1.0 en-US