63
Category Symptom Possible Reasons & Soluons
Brew Pressure
or Flow
Brew Gauge Reads
11 to 12 Bar when
Machine is Not
Brewing
This is normal. When the brew tanks heat, the water expands and
the expansion valve is set to relieve excess water pressure at 11 to
12 Bar.
Brew Pressure is
Low
[SINGLE PUMP MACHINES ONLY] When brewing on one group and
another group is acvated some water will be diverted to the second
(or third) group. This will slightly reduce available brew pressure.
Expansion valve may be set too loose. Check that the pressure in the
brew system reaches 10-12 bar while heang from a cold state. If
the pressure does not exceed brew pressure, the expansion valve
will need to be ghtened, cleaned, or rebuilt.
Check pump to make sure pressure is properly set.
Water supply hose to the pump may be kinked
Water lter may be plugged. Check and replace if necessary
To Next Page
Loading...
Need help?
General
