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Troubleshooting
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Operating instructions / V04/03.2012
troubleshooting
General troubleshooting procedure:
►
Switch the coffee machine off and, after several seconds, on again.
;
In most cases, the fault will be eliminated automatically.
►
Repeat the steps that led to the fault.
If the fault occurs again:
►
Find the fault in the following tables.
►
Perform the described troubleshooting steps.
If the fault persists:
►
Contact your service partner and describe the fault.
Malfunction with display message
Message
Cause
What to do
grinder overload
●
Right grinder is overloaded.
●
Right grinder is clogged.
► Check the grinder for foreign objects. Press the
[ ] field.
►
If the message persists: contact your service part-
ner.
grinder current
●
PC board defective.
●
Electronics defective.
►
Contact service partner.
Brewing unit current fault
●
PC board defective.
●
Electronics defective.
►
Contact service partner.
overcurrent brew motor
●
The brewing unit is drawing too much current
(over 4 A).
● The brew unit is blocked.
►
Contact service partner.
Water flow error
●
No water supply connection.
●
Pump faulty (pump pressure too low).
● Brewing unit blocked.
●
Water system clogged.
● Grind level too fine.
● PC board and flowmeter incorrectly connected.
●
Electrical problem (PC board, ...).
► Open the stopcock and press the beverage field
again.
► Check the brewing unit.
► Check the grinder mixture.
►
If the message persists: contact your service part-
ner.
Crit. coffee temp.
●
Electrical problem between sensor and PC
board.
●
Temperature sensor defective.
►
Contact service partner.
Coffee heating timeout
The set temperature of the coffee boiler was not
reached within 4 minutes after the machine was
switched on.
► Switch the machine off and back on.
►
If the message persists: contact your service part-
ner.
Hot water heating timeout
The set temperature of the hot water boiler was not
reached within 4 minutes after the machine was
switched on.
► Switch the machine off and back on.
►
If the message persists: contact your service part-
ner.
Coffee sensor defective
●
Electrical problem between sensor and PC
board.
●
Temperature sensor defective.
►
Contact service partner.
Hot water sensor defective
●
Electrical problem between sensor and PC
board.
●
Temperature sensor defective.
►
Contact service partner.
Brewing unit timeout
The brewing unit motor does not run.
►
Contact service partner.
