No Function - Nespresso EF 737 Service Manual

Troubleshooting

No function

Start
Machine connection to mains
no
Connect to mains
ok?
yes
Mains cable functionality
no
Replace mains cable
ok?
yes
Thermoblock functionality
no
Replace thermoblock
ok?
yes
NTC functionality
no
Replace NTC
ok?
yes
1
1
Pump functionality
no
Replace pump
ok?
yes
Flowmeter functionality
no
Replace flowmeter
ok?
yes
Buttons functionality
no
Replace control panel
ok?
(left or right)
yes
Reed contacts functionality
(hot water/steam, jaw position)
no
Replace reed switch
ok?
yes
2
19
2
Wiring functionality
no
Replace wire(s)
ok?
yes
All checks performed but still no function
no
Perform missing check(s)
ok?
yes
Replace electronic mainboard
End