Box Selftests Fail, What to do....

[ptt]

For those who have Box Selftests Fail Warnings, a litle guide....

1- Normal result of Selftests ( box is OK nothing to worry )

 
USB Voltage 4.94v PASSED
MCU Voltage 3.28v PASSED
Core Voltage 1.78v PASSED
VBAT Voltage 0.01v PASSED
VBAT Voltage 4.91v PASSED
Box VPP disabled
VPP Voltage 0.04v PASSED
Internal Box VPP Enabled
VPP Voltage 4.86v PASSED
Box VPP disabled
VPP Voltage 0.04v PASSED
External Box VPP Enabled
VPP Voltage 0.04v FAILED - IGNORED - 
Probably power supply is not connected  
( nothing to worry, 
this error is because the external VPP power supply is not conected )

2- VPP Supply Voltage test failed

 
Internal Box VPP Enabled
Box Selftests Failed -> VPP Supply Voltage test failed,
1.25v is out of valid range
 
In this case, contact your reseller for Box exchange

3- VBAT Supply test fail

 
VBAT Voltage 0,01v PASSED
Box Selftests Failed -> VBAT Supply Voltage test failed, 
0,03v is out of valid range 
 
In this case you have to check ( with a multimeter )
if you have the correct voltage at F-Bus Battery contacts.... 
or if using an Unifbus, between red an black clips  
( normal values are close to USB Voltage )
 
If dont get voltage or this is very low ( 0.03V,1.2V, 1.5V 2.4V, etc), 
then you must contact your reseller for Box Exchange.

For more info, Use Search, Read sticky posts, there is alot of info already posted....
BR