Melitta 660 - Troubleshooting Common Defects; Coffee Taste Issues; Coffee Temperature Problems; Filtering Speed and Dosing Errors

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We are not responsible for damages caused by lack of
maintenance and care even if they occur during the period of
guarantee. Damages caused by unauthorized or improper repair
work or installation of not genuine Melitta spare parts are also
not covered by this guarantee. All parts made of porcelain or
glass or wearing parts are also excluded from our guarantee
Wearing parts are: sealings, valves, faucets, heating resistors,
coat of lacquer, switches, and thermostates/thermo-regulators.
Guarantee damages will only be accepted after a written report
has been handed in by our aftersales service personnel and
reviewed by MSS or an inspection of the machines has taken
place in our works.
Instructions for eliminating possible defects
Defect Cause Repair
Coffee does not taste good  Coffe stored for more than one hour Consume fresh coffee as soon as
possible
 Poor quality of supplied coffee Speak with coffee supplier
 High rate of chlorine in water Inform Melitta service personnel to
insert water filter
 Residual descaling solution or cleanser Rinse machine with water
Coffee too cold  No lid on head retaining urn Inserd lid on warm holder
 Heat retaining urn not pre-heated Rinse with hot water
 Condensation lid not inserted Insert condensation lid
 Heater or heat control for heat Request for aftersales service
retaining urn defect
 Fuse for socket defective (19) Request for aftersales service
Coffe too hot  Small quantity of coffee stored too long Consume fresh coffee as soon as
possible
Retarded filtering  Very fine ground coffee Choose coarser ground coffee
 Very soft water = filter pores clogged
 Pressure too high/low Check pressure and adjust by
inserting pressure pump or valve
 Strainer dirty Clean strainer
Water dosing not according to  Machine is not on an even surface = water Adjust uneven parts of the surface,
selectd programme level within the water container has changed place machine on an even surface
 Water pressure too high/low Check pressure and adjust by
inserting pressure pump or valve
 Solenoid valve dirty Request aftersales service
Filter process does not start,  Water tap not open Open tap, switch machine on/off,
programme indicator lamp does not burn, start programme again
signal tone repeatedly to be heard,  Control cannot identify Request aftersales service
service indicator lamp (6) blinks filling level
Service indicator lamp (6)  Excessive build-up of Descaling necessary after filtering
illuminated, interruption of lime-scale in water heater process
filtering process  Safety fuse for machine has responded Press in the limiter (x)
Request for customer service
 Water pipe to the passage heater clogged Clean pipe/tube connections / clean
strainer
Position indicator (5) blinks  Position of swivel arm discharge, Adjust position
heat retaining urn resp. service trolleyt
not correct
Hot water unit 660 W does  Temperature limiter has responded Press in the limiter situated up
not heat up beneath the cap (y). Request for
customer service
Please contact MSS service personnel if other defects than the above mentioned occur.