58300000111195_ARA_en_f.doc – 02.06.09 Seite 89 von 102
7.4.8 Service fault bits
Analyse internal
appliance fault.
Service fault bit
0 Check encoder cable
1 Coffee heating sensor – short-circuit
2 Coffee heating sensor – interruption
3 Steam heating sensor – short-circuit
4 Steam heating sensor – interruption
5 Heating up not possible
6 Water sensor above tolerance
7 Position cannot be started
Initialisation failed
8 Flowmeter time-out / System blockage
Example: 00001000
= Heating up not possible
7.4.9 Measured variables for service suggestions
Brews since last intervention < 1500 Fault rectified
Brews since last intervention > 1500 < 3500 Minor service
Brews since last intervention > 3500 Major service
Total brews / total rinses
and
Brews since last intervention
< 2
> 2500
Major service
7.4.10 Definition of “minor” / “major” service
7.4.10.1 Minor service
Descale appliance
Take out and clean brewing unit
Check flowmeter
Check pressure hose
Check grinding performance / result
7.4.10.2 Major service
Descale appliance
Replace brewing unit
Check flowmeter
Check pressure hose
Check outlet
Check grinding performance / result
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