Schaerer Coffee art Operations Instructions Page 59

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www.schaerer.comTroubleshooting
Operating instructions / V05 / 05.2012
59 / 66
Troubleshooting
Malfunction with display message
Message Cause What to do
Left/right grinder overloaded
Left/right grinder is overloaded.
Left/right grinder is clogged.
Check the grinder for foreign objects.
Press [
].
If the message persists: contact your service part-
ner.
Grinder current fault PC board defective.
Electronics defective.
Contact service partner.
Brewing unit current fault PC board defective.
Electronics defective.
Contact service partner.
Brewing motor overcurrent The brewing unit is drawing too much current
(over 4 A).
Brewing unit is blocked.
Contact service partner.
Water ow error No water supply connection.
Pump defective (pump pressure < 7.5 bars).
Brewing unit blocked.
Water system clogged.
Grind level too ne.
PC board and owmeter incorrectly connec-
ted.
Electrical problem (PC board, ...).
Open the stopcock and press the beverage eld
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.
Crit. hot water temp. Electrical problem between sensor and PC
board.
Temperature sensor defective.
Contact service partner.
Crit. steam 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 machi-
ne 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.
Steam heating timeout
The set temperature of the steam boiler was
not reached within 4 minutes after the machi-
ne 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.
Steam 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.
Steam dispenser timeout The level in the steam boiler was not reached. Contact service partner.
Milk system disabled
The steam temperature has fallen to 115 °C.
The milk system was wrongly disabled.
Wait until the temperature has been reached
again.
Switch the machine off and then back on.
Contact service partner.
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