Brewing Unit; Possible Problems - Thermoplan AGUILA AG220 Technical Manual

Troubleshooting - Aguila - 220 - B - en
5

Brewing Unit

5.1

Possible Problems

Messages
Capsule does not fall through/
cannot be inserted
Display message
"Preparation too short"
Display message
"Preparation too long"
Display message
"Flowmeter x error"
Display message
"Open the lever" or
"Close the lever"
Display message
"Wait until pressure is relieved"
Lever broken/not in original
position
Coffee outlet squirts
No coffee at the touch of a button
© Thermoplan AG
Possible Cause
• Lever not in starting position.
• Capsule is blocking the
channel.
• Flowmeter detects too much
water flow during a specific
time.
• No capsule in the brewing unit.
• Water leak in the brewing
circuit.
• Brewing valve or brewing
chamber valves leaky.
• Non-return valve on the
flowmeter defective.
• Brewing unit is leaky.
• Flowmeter detects to little
water flow during a specific
time.
• Brewing pressure too low.
• Water inflow interrupted.
• Water pump is not running.
• Coffee capsule defective.
• Water inflow interrupted.
• Brewing chamber closed/open.
• Microswitch defective.
• Microswitch not inserted or
interchanged with another
brewing chamber.
• Brewing chamber was opened
during product preparation.
• Brewing chamber locking plate
too weak.
• Too much force applied.
• Coffee outlet dirty
• Coffee outlet broken/lost.
• Keyboard print defective.
• Lever not closed.
• Microswitch no contact.
Brewing Unit
Solution
Try again.
u
Check parts, replace.
u
Insert capsule correctly.
u
Check water circuit (flowmeter
u
until brewing chamber).
Check brewing valves/brewing
u
chamber valves and replace if
necessary.
Check non-return valve on the
u
flowmeter and replace if
necessary.
Check brewing unit.
u
Check the brewing pressure
u
using pressure gauge. It must
be 14.5 bar ( [see Detailed
View of Pressure Gauge/
Bypass 19]).
}
Check water pump.
u
Use other coffee capsules.
u
Check flowmeter
u
Open/close lever.
u
Check microswitch in the input
u
test (brewing chamber) and
replace if necessary.
Check cabling and insert
u
correctly.
First press lever after product
u
preparation. Wait until
message disappears.
Adjust locking plate.
u
Replace lever.
u
Clean coffee outlet
u
Fit new coffee outlet.
u
Replace keyboard print.
u
Check lever and close.
u
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