Saeco Intelia, Service Manual

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INTELIA 05 TROUBLESHOOTING
Saeco International Group Rev. 02 / September 2012 Page / 22
Level 0 (LED)
Description :
Verify keyboard LED
Action :
LED ON/OFF always blink during the test.
The others LED blink once, then only one LED is ON starting from No Water, Error, Double, No
Beans, Dump Box, Calc Clean, Steam, Coffee, Espresso, Hot Water.
The sequence is always repeated.
Note
LED COLOR
No Water RED
Error RED
Double GREEN
No Beans RED
Dump Box RED
Calc Clean YELLOW
Steam GREEN
Coffee GREEN
Espresso GREEN
Hot Water GREEN
ON/OFF RED
Pressing ON/OFF button moves to next level
On ERROR verify:
Cable connection
Power supply
Driver 74HC595 presence and welding
Driver 74HC595 orientation
LED presence and welding
LED orientation
Polarization resistor presence and welding
Level 1 (Buttons) [LED No Water ON]
Description:
Verify the keyboard buttons (each button has a rear LED)
Action:
Pressing the button where the rear LED is ON changes the LED OFF, follow the moving LED
If you are not able to turn the LED OFF detects an error condition over the button switch
Start condition
All LED are OFF
Pressing ON/OFF button moves to next level
On ERROR verify:
Cable connection
Power supply
Push button presence and welding
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