15
Operation
Service Manual EF 347 / EF 348 enVersion 1.0
Coffee machine status (1)
After pressing the On/Off button, an automatic
self test is performed to check if
- the NTC is connected,
- the NTC is short circuited,
- the thermoblock reaches the standby
temperature within 2 minutes.
Operating modes and detected failures are
indicated by backlighted coffee buttons as
listed in the following table.
)