Operation Manual

www.schaerer.com Troubleshooting
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Operating instructions / V07 / 08.2011
Troubleshooting
Inform your authorised customer service representative immediately if you cannot rectify a mal-
function! Do not attempt to repair the coffee machine yourself!
Display messages
Message Cause
Remedy
"Under-temperature steam"
• Excessive steam outputs
• Phase fuse defective
• Safety fuse has opened
► Wait for approx. 3 minutes. If during this time "Time-
out Heating Steam" appears on the display, check if
phase fuse is defective.
► If the message persists: Contact a qualied service
technician.
"Under-temperature coffee"
• Excessive coffee outputs
• Phase fuse defective
• Safety fuse has opened
► Wait for approx. 3 minutes. If during this time "Time-
out Heating Coffee" appears on the display, check if
phase fuse is defective.
► If the message persists: Contact a qualied service
technician.
"Under-temperature tea"
• Excessive tea / hot water outputs
• Phase fuse defective
• Safety fuse has opened
► Wait for approx. 3 minutes. If during this time "Time-
out Heating Tea" appears on the display, check if
phase fuse is defective.
► If the message persists: Contact a qualied service
technician.
"Flowmeter timeout"
• No water connection
• Defective pump (pump pressure < 7.5 bar)
(► check the manometer)
• Brew unit blocked
• Water system blocked
• Grinder mixture too ne
• Electrical problem (PCB, ...)
► Open the shut-off valve and press the beverage but-
ton again.
► Check the brew unit.
► Check the grinder mixture.
► If the message persists: Contact a qualied service
technician.
"Front door open"
• The front door is open or the lock bolt did not
engage
• Limit switch is damaged
► Close front door.
► If the message persists: Contact a qualied service
technician.
"Grinder L./B. motor driver
error"
• Control board defective ► Contact a qualied service technician.
"Grinder R./F. motor driver error" • Control board defective ► Contact a qualied service technician.
"Brew piston motor driver error" • Control board defective ► Contact a qualied service technician.
"Grinder left no beans"
• One of the coffee bean containers is empty. ► Fill in 1 kg of fresh coffee beans (► page 11).
"Grinder right no beans"
"Grinder front no beans"
"Grinder rear no beans"
"Grinder left blocked"
• An object (e.g. a stone) is stuck in the grind-
er.
► Unplug the machine from the power supply and vacu-
um the coffee beans out of the grinder.
► If the message persists: Contact a qualied service
technician.
"Grinder right blocked"
"Grinder front blocked"
"Grinder rear blocked"
"Timeout level supply"
• 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: Contact a qualied service
technician.
"Coffee grounds container is
missing"
• The coffee grounds container is not inserted
correctly.
• Limit switch is damaged-
► Place the coffee grounds container correctly in.
► If the message persists: Contact a qualied service
technician.
"Temperature sensor steam"
• The temperature sensor in the steam boiler
is defective.
► Contact a qualied service technician.