Schaerer Coffee Maker User Manual page 37

Troubleshooting
Display message
select product
water flow error
select product
over temp. brewwater
select product
over temp. tea
select product
over temp. steam
selection locked
heating coffee water
selection locked
heating hot water
selection locked
heating steam
select product
timeout coffee heater
select product
HW heater timeout
select product
steam heater timeout
selection locked
coffee sensor def.
selection locked
HW sensor def.
selection locked
steam sensor def.
selection locked
brew unit time out
selection locked
timeout steam suppl .
User manual SCA - EN
Version 02 09.2006
Cause
Possible causes:
- No water connection
- Defective pump (pump pressure < 7.5 bar)
- Brew unit blocked
- Water system blocked
- Grinder mixture too fine
- PCB - flowmeter incorrectly connected
- Electrical problem (PCB, ...)
Electrical problem between the sensor and
the PCB.
Temperature sensor defective.
Electrical problem between the sensor and
the PCB.
Temperature sensor defective.
Electrical problem between the sensor and
the PCB.
Temperature sensor defective.
The temperature is 10 °C below the
programmed temperature.
Beverage output is blocked!
The temperature is 10 °C below the
programmed temperature.
Beverage output is blocked!
The temperature is 10 °C below the
programmed temperature.
Beverages cannot be dispensed when the
temperature is below 110 °C.
The programmed temperature of the
coffee water boiler was not reached within
4 minutes after the machine was switched
switched on.
Beverage output is blocked!
The programmed temperature of the hot
water boiler was not reached within 4
minutes after the machine was switched
switched on.
Hot water beverage output is blocked!
The programmed temperature of the
steam boiler was not reached within 4
minutes after the machine was switched
switched on.
Milk and steam beverage output is
blocked!
Possible causes:
Electrical problem between the sensor and
the PCB.
Temperature sensor defective.
Possible causes:
Electrical problem between the sensor and
the PCB.
Temperature sensor defective.
Possible causes:
Electrical problem between the sensor and
the PCB.
Temperature sensor defective.
The brew unit motor is not running.
Beverage output is blocked!
The level in the steam boiler was not
reached.
What to do
Open the shut-off valve and press the
beverage button again.
Check the brew unit.
Check the grinder mixture.
If the message remains on the display:
Contact a qualified service technician.
Contact a qualified service technician.
Contact a qualified service technician.
Contact a qualified service technician.
Wait until the target temperature has been
reached.
If the message remains on the display:
Contact a qualified service technician.
Wait until the target temperature has been
reached.
If the message remains on the display:
Contact a qualified service technician.
Wait until the target temperature has been
reached.
If the message remains on the display:
Contact a qualified service technician.
Switch the machine off and then back on.
If the message remains on the display:
Contact a qualified service technician.
Switch the machine off and then back on.
If the message remains on the display:
Contact a qualified service technician.
Switch the machine off and then back on.
If the message remains on the display:
Contact a qualified service technician.
Contact a qualified service technician.
Contact a qualified service technician.
Contact a qualified service technician.
Contact a qualified service technician.
Contact a qualified service technician.
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