Help & troubleshooting

Fault: Piston seal and dome valve ruled out; discharge hose seating suspected

Fault: OPV/solenoid suspected

Fault: Hot-water solenoid fault; scale/heat damage around steam-boiler safety area

Solution: Repair hot-water solenoid; service group/seals; address heating safety fault

Fault: Upper piston failure

Solution: Replace upper piston

Fault: Solenoid fault

Solution: Replace solenoid assembly/elbow

Fault: Descale process waiting for cold machine + system heavily dirty/blocked

Solution: Clean internal contamination and complete descale

Fault: Upper-piston/brew-path fault suspected

Fault: Flowmeter fault

Solution: Replace flowmeter

Fault: Cement-like material throughout hydraulic system

Solution: ~5 h intensive cleaning + two parts

Fault: Heating-system fault

Solution: Coffee thermoblock + steam heater replacement chosen

Fault: Broken upper piston

Solution: Replace/rebuild upper piston

No confirmed fix yet.

Fault: Required parts unavailable

Solution: Replace machine / offer alternative

Fault: Heavy scale around fittings / OPV and swivel service issues

Solution: Pump/E61/OPV/swivel service; tighten fittings

Fault: Grinder failure

Solution: Replace grinder

Fault: Connector leaking/faulty

Solution: Replace connector

Fault: Damaged/worn brew group

Solution: Rebuild brew group

Fault: Brew group + grinder dirty/worn

Solution: Rebuild brew group and grinder

Fault: Failing brew group

Solution: Rebuild brew group + O-rings; descale

Fault: Broken brew group

Solution: Rebuild/replace brew group

Fault: Ceramic valve fault

Solution: Replace ceramic valve

Solution: damaged brew group

Fault: Previous brew-group rebuild done incorrectly

Solution: Correct rebuild / repair kit

Fault: Clogged coffee path + damaged brew group + pump membrane no longer holding

Solution: Clear coffee path; rebuild brew group; replace pump membrane

Fault: Water-flow system issue

Solution: Descale / flowmeter work

Fault: Damaged brew group

Solution: Rebuild/repair brew group

Fault: Broken 90° connector

Solution: Replace connector

Fault: Grind set too fine

Solution: Coarsen 2–3 steps while grinder is running

Fault: Dirty/worn brew group + grinder

Solution: Rebuild brew group + clean grinder

Fault: Brew-group/service components

Solution: Premium rebuild kit

Fault: Tank-connection sealing issue suspected

Solution: Service/replace tank seals

Fault: Grinder needed rebuild

Solution: Rebuild grinder

Fault: Sensor/control-side issue

Solution: Clean/test sensors and connections

Fault: Brew group faulty

Solution: Replace/rebuild brew group

Fault: Valve/piston/sealing problem; missing drain-side spring/component encountered

Solution: Rebuild group; piston seals; drain piston/spring; clean valve seat

Fault: Machine clogged; ceramic valve bleeding water; brew drive stuck; brew group very dirty

Solution: Clear system; service/replace hydraulic valves; free drive; rebuild/clean brew group

Fault: Bean-path/selector/load issue

Solution: Further diagnosis

Fault: Membrane regulator + Y outlet valve + 5-port ceramic valve faulty

Solution: Replace 6716271, 6715854, 6778769

Fault: Smart Bean Selector intermittently sticks

Solution: Free/service bean selector

This isn't a fault — it's normal behaviour for the machine.

Fault: Drain valve and brew groups ruled out; ceramic-valve drive/coupling suspected

Fault: Water inlet to brew group faulty

Solution: Replace inlet

Fault: Brew-group/drain-valve system dirty/worn

Solution: Clean grinder, brew group, drain valve; later repair kit + drain valve recommended

Fault: Milk distributor/frother path dirty

Solution: Clean 3-way distributor + frother head; inspect ceramic valve

Fault: Brew-group/drain mechanism issue suspected

Fault: Broken drain valve

Solution: Replace drain valve

Fault: Split/loose hose spraying motherboard

Solution: Repair/replace hose; inspect/dry board

Fault: Brew group not installed during test + missing solenoid gaskets

Solution: Reseat brew group + replace gaskets

Fault: Flowmeter suspected after multiple components ruled out

Solution: Swap/test flowmeter

Fault: Solenoid fault

Solution: Replace solenoid

Fault: Drain-valve leak + damaged brew-group O-rings

Solution: Replace drain valve + brew-group O-rings

Fault: Flow/water-path issue; pump sprayed motherboard

Solution: Replace/test flowmeter; dry board

Fault: Damaged OPV + clogged 90° rotating inlet elbow

Solution: Replace OPV + elbow

Solution: Full service

Fault: Right channel of Auber SRDA25-2 SSR failed; safety thermostat tripped

Solution: Reset thermostat + replace SSR

Fault: Failed snap-action in switch

Solution: Replace Kedu HY29E / Rocket A199904992

Fault: Solenoid assembly clogged badly enough to damage plastic elbow

Solution: Replace damaged elbow/parts; clean valve path

Fault: Burnt solenoid + damaged cable

Solution: Replace solenoid + cable

Fault: Hydraulic/solenoid assembly faulty

Solution: Replace complete assembly with second-hand assembly

Fault: Brew-head/group required rebuild

Solution: Rebuild brew-head assembly

Fault: Hose restriction/failure

Solution: Replace hose

Fault: OPV off/stuck

Solution: Adjust/service OPV

Fault: Clogged hose

Solution: Clean/replace hose

Fault: OPV stuck

Solution: Free/service OPV

Fault: 3-way solenoid fault

Solution: Replace 3-way solenoid + brew-group gasket

Fault: Hose and solenoid/piston heavily scaled

Solution: Replace hose + piston/valve components

Fault: 3-way CEME solenoid not sealing

Solution: Replace solenoid assembly

Fault: Hydraulic restriction

Solution: Clean/descale

Fault: Top burr loose/moving; dose calibration remained too high

Solution: Reseat/reset grinder; then correct dose calibration

Fault: Steam-side hardware fault

Solution: Replace steam arm

Fault: Restriction around heater/system

Solution: Clean heater/system

Fault: Heater fault

Solution: Replace heater

Fault: Hot-water solenoid fault

Solution: Replace/service hot-water solenoid

Fault: heater clogged

Solution: replace heater

Fault: Heating fault

Solution: Heater/boiler repair

Fault: Brew-head/shower restriction suspected

Solution: Inspect/clean brew-head and dispersion path

Fault: Grinder gears/top-burr mechanism worn/problematic

Solution: Repair grinder / replace relevant parts

Fault: Display fault not reproduced; grinder issue remained

Solution: Diagnose grinder/display

Fault: Scale/restriction in heater

Solution: Descale and clean heater

Fault: Heater restriction

Solution: Replace heater

Fault: Clogged heater

Solution: Replace heater

Fault: Pump coil intermittently failing

Solution: Replace pump

Fault: Broken flowmeter

Solution: Replace flowmeter

Fault: Grinder mechanism incorrectly seated/loose

Solution: Reassemble and tighten grinder

Fault: Probe + triac/solenoid problems

Solution: Replace probes, triac, ribbon, steam and brew solenoids

Fault: Leaking water-level probes

Solution: Replace probes

Fault: Triac arcing

Solution: Replace triac

Fault: Clogged hoses + failing boiler

Solution: Replace boiler + clear/replace hoses

Fault: Replacement pump itself defective

Solution: Replace defective replacement pump

Fault: Steam boiler rods/seals/triac area faults

Solution: Triac + rod/seal repair

Fault: 3-way solenoid fault

Solution: Replace/service 3-way solenoid

Fault: Heater internally failing/overheating

Solution: Replace heater

Fault: Steam-boiler thermal fuse failed

Solution: Replace fuse after triac/probes/ribbon work

Fault: Milk-jug area NTC sensor faulty

Solution: Replace NTC sensor

Fault: Cement-like material blocking hydraulic system

Solution: Extensive cleaning; heater appeared salvageable

Fault: Loose/missing screw

Solution: Reinstall screw

Fault: NTC probe faulty

Solution: Replace NTC

Fault: Flowmeter fault

Solution: Replace flowmeter

Fault: Triac fault

Solution: Replace triac

Fault: Triac fault

Solution: Replace triac

Fault: Triac/probes/steam-side faults

Solution: Replace triac, rods and related steam-side components

Fault: Large solid scale blockage

Solution: Remove blockage / descale

Fault: Triac fault

Solution: Replace triac

Fault: Hose restriction + triac/rods

Solution: Replace hose, triac and rods

Fault: Steam-boiler intake hose restriction + drain valve issue

Solution: Clean intake hose + replace drain valve

Fault: Triac fault

Solution: Replace triac

Fault: Water-level probe/rod fault

Solution: Replace rods

Fault: Dead brew solenoid; additional triac-side concern

Solution: Replace brew solenoid; anti-vacuum valve also replaced

Fault: Triac and probe failure

Solution: Replace triac + probes

Fault: Triac / BTA16 fault

Solution: Repair/replace triac

Fault: Steam boiler failed

Solution: Replace steam boiler; later both boilers + triac/tamper work

Fault: Boilers/triac/tamper connector faults

Solution: Replace both boilers; triac board; repair tamper connector

Fault: Brew group installed/set incorrectly

Solution: Correct brew-group installation

Fault: Brew-group/control-front issue

Solution: Rebuild brew group, replace touch board, clean front door

Fault: Cracked spigot/coupling between ceramic valve and brew unit

Solution: Replace valve/outlet subassembly

Fault: Damaged main board

Solution: Replace main board

Fault: Damaged ceramic valve

Solution: Replace ceramic valve

Fault: Damaged brew group

Solution: Replace/rebuild brew group

Fault: Valve/brew-group path issue

Solution: Ceramic valve replaced; good brew group swapped; further alignment/O-ring diagnosis

Fault: Damaged main board

Solution: Replace main board

Fault: Machine unable to measure flow

Solution: Replace flowmeter

Fault: Broken brew group

Solution: Replace brew group

Fault: Ceramic valve fault

Solution: Replace ceramic valve

Fault: Hose coupling / connection fault

Solution: Replace coupling

Fault: Brew group assembled incorrectly

Solution: Rebuild/correct brew group; serious descale

Fault: Damaged brew group

Solution: Replace/rebuild brew group

Fault: Broken ceramic valve

Solution: Replace ceramic valve

Fault: Dead main board

Solution: Replace main board 12027735

Fault: Damaged ceramic valve

Solution: Replace ceramic valve

Fault: Dead heater

Solution: Replace heater

Solution: Drain valve is failing

Fault: Ceramic valve stuck; brew-group sensor needed refitting

Solution: New ceramic valve; refit sensor; rebuild/clean

Fault: Ceramic valve full of scale

Solution: Clean/service ceramic valve

Fault: Ceramic valve + small communication/translator board fault

Solution: Replace ceramic valve and small communication board

Fault: Ceramic valve + small communication/translator board fault

Solution: Replace ceramic valve and small communication board

Fault: 90° elbow damaged

Solution: Replace 90° elbow

Fault: Mushroom valve / seal seating issue

Solution: Service mushroom valve + seals

Fault: Board required replacement/configuration

Solution: Replace board and configure with service software

Fault: Backup battery absent/dead; configuration lost/locked

Solution: Replace backup battery; install service software on PC; reset/reconfigure board

Fault: Inlet/control/config issue

Solution: Board/config/inlet diagnosis