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Tango 390-00322 7-2022
Drink Dispensing - Flow Problems:
Only water from spout after when dispensing espresso drink:
Does grinder run?
No – troubleshoot grinder power
Yes – Check following:
Hopper gate not open
To open push hopper lever to the right on the larger hopper or forward on the de-
caf side
Hopper empty or coffee oils causing the beans to stick to the sides
Fill hopper. Stir beans to unstick. Remove and clean hoppers if insides are dirty.
Coffee grounds spraying on turntable area and not reaching piston
Drink overfills, extraction runs 90 seconds and stops.
Flowmeter unplugged, faulty, or faulty wiring connection to flowmeter
Code 81: DOG Left flowmeter blocked
Long extractions when dispensing espresso drink:
Grind set too fine:
Adjust grinder collars for coarser grind, see PM guide
Water Flow through piston restricted:
Less than 150ml dispensed during rinse cycle after grounds drawer emptied.
Should be ~200ml
Summary of Contents for UNIC TANGO ACE-ST DUO
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