Technical data

www.schaerer.comMessages & Troubleshooting
Programming manual / V01 / 02.2010
55 / 62
Error messages
Message Cause Remedy
„Under-temperature steam“
Excessive steam outputs.
Phase fuse defective.
Safety thermostat has opened.
Wait for approx. 3 minutes. If during this time “Time-
out heater steam” appears on the display, check if
phase fuse is defective.
Check if the safety thermostat has opened (if so
check the temperature probe on any damage).
„Under-temperature coffee“
Excessive coffee outputs.
Phase protection (fuse) defective.
Safety thermostat has opened.
Wait for approx. 3 minutes. If during this time “Time-
out heater coffee” appears on the display, check if
phase fuse is defective.
Check if the safety thermostat has opened (if so
check the temperature probe on any damage).
„Under-temperature hot water“
Excessive hot water outputs.
Phase protection (fuse) defective.
Safety thermostat has opened.
Wait for approx. 3 minutes. If during this time “Time-
out heater hot water” appears on the display, check if
phase fuse is defective.
Check if the safety thermostat has opened (if so
check the temperature probe on any damage).
„Water ow error“
No water connection.
Defective pump (pressure < 7.5 bar) (►
check the manometer)
Brew unit blocked.
Water system blocked.
Grinder setting too ne.
Electrical problem (main board, ...)
Open the shut-off valve and press the beverage but-
ton again.
Check the brew unit.
Check the grinder setting.
Check the owmeter on any blockages.
Check the hydraulic system from the pump to the
brewing unit on any blockage.
„Grinder l./b. motor driver error“
Main board defective. Exchange main board.
„Grinder r./f. motor driver error“
Main board defective. Exchange main board.
„Brewing unit motor driver error“
Main board defective. Exchange main board.
„Timeout water supply steamb.“
The water level in the steam generator is not
correct.
Check whether the stop valve of the water supply is
open.
Unplug the machine from the power supply and plug
it back in again.
If the message persists: check the level probe on
function and replace if defective.
„Temperature sensor steam“
The temperature sensor in the steam boiler
is defective.
Check if the safety thermostat has opened.
Check the level probe visually (blue colouring?) and
replace if defective.
„Temperature sensor coffee“
The temperature sensor in the coffee water
boiler is defective.
Check if the safety thermostat has opened.
Check the level probe visually (blue colouring?) and
replace if defective.
„Temperature sensor HW“
The temperature sensor in the hot water
boiler is defective.
Check if the safety thermostat has opened.
Check the level probe visually (blue colouring?) and
replace if defective.
„Timeout heater steam“
The programmed end temperature was not
reached within the specied time.
Switch the machine off and on again.
Check the phase fuse.
„Timeout heater coffee“
The programmed end temperature was not
reached within the specied time.
Switch the machine off and on again.
Check the phase fuse.
„Timeout heater HW“
The programmed end temperature was not
reached within the specied time.
Switch the machine off and on again.
Check the phase fuse.