Thermoplan AGUILA AG220 Technical Manual page 24

Brewing Unit
Messages
Drip grid for small cups does not
hold in top position
No coffee
Much water in the capsule
container
Display message
"BU Service required!"
24 / 52
Possible Cause
• Magnet fallen out.
• Capsule does not break:
• Brewing pressure too low.
• Brewing valve/brewing
chamber valve defective or
leaky.
• Overpressure valve defective.
• Leaking water cold:
• Leaky brewing unit.
• Hose connection not tight.
• Piston seal not tight.
• Leaking water warm:
• Seal of ejector pin: Hose
connection not tight.
• Capsule seal not tight or fallen
off.
• Brewing valves leaky.
• The number of capsules of the
brewing unit defined in the
service menu "BU Max.
products" was not reached.
Troubleshooting - Aguila - 220 - B - en
Solution
Check microswitch and replace
u
if necessary.
Stick on magnet again/replace.
u
Check the brewing pressure
u
using pressure gauge. It must
be 14.5 bar ( [see Detailed
View of Pressure Gauge/
Bypass 19]).
}
Check brewing valve/brewing
u
chamber valve and replace if
necessary.
Replace overpressure valve.
u
Check brewing unit and
u
replace if necessary.
Check brewing unit/brewing
u
valve and replace if necessary.
Check anchor.
u
Replace brewing unit (arrow
u
direction of the message
indicates which BU must be
replaced).
Reset the corresponding
u
counter "BU left/right reset" in
the service menu under
"Statistics".
© Thermoplan AG