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34

 Diﬀuserscreen/screw,orjetisclogged

 Soapresiduenotfullyﬂushedaercleaninghasgluedthevalveclosed(tapthevalvebodygently).

 Brewsolenoidhasbeensealedshutbydriedsoaporhasfailed.

Brew Gauge

BrewPressuregaugeneedlevaluechangesoen:

 Thisisnormal.Thelowestnumber(usually3‐5bar)reﬂectstheincominglinepressure.Whenbrewing

theneedlereﬂectsbrewpressure(8.5‐9bar).Whenthebrewtanksheat,thewaterexpandsandtheex‐

pansionvalverelievesthepressureat11or12Bar.

BrewPressureis

Low:

 Checkpumptomakesurepressureisproperlyset

 Watersupplyhosetothepumpiskinked

 Waterﬁlterisplugged.Checkandreplaceifnecessary



PumpMotorRuns;NoBrewPressure:

 Failedpump,needstobereplaced

 BrewSolenoidisstuck(canbecausedbysoapresiduenotfullyﬂushedaercleaning).

 BrewSolenoidhasfailed

 Thelinebetweenthepumpandthewatersupplyhascollapsedoriskinked

 Hosetothepumpiskinked

 Waterﬁlterisplugged.Checkandreplaceifnecessary

 Watersupplyisinadequate



ReadoutforBrewWaterTemperatureVariesbyaFewDegrees:

 Thecontrolmust“see”theincrementjustabovethesetpointbeforeitsendsasignaltoturnoﬀthe

heangelement.Thiswillallowtheelectronicstoshowareadingjustabovethesetpoint.Theenergy

fromtheheangelementandthetubeforthepreheatedincomingwaterarewithin1”or25mmfrom

thelocaonofthetemperaturesensingprobeinthecoﬀeetank.Thewaterpickuptubeforbrewwater

isatthetopofthebrewgroupandisinthemosttemperaturestablewaterinthetank.Meaning,the

readout

canshowatemperatureofafewdegreesaboveyoursetpoint,andmayﬂuctuateduetothe

heatfromtheelementorheatexchanger,butyourbrewwaterisactuallyatthesetpoint.

Electronics

AllzonesreadLOW:

 ChecktomakesuretheelementbreakerisON(elementswitchistothele).Zoneswillreadlowunl

thetemperatureinthatzonereaches175°F.Pleaseallow20‐30minutestoheatupinially.

TROUBLESHOOTING

Synesso MVP Hydra User Manual

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