Marco JET6, Instruction Booklet

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4
Fault Probable Cause Action
Blank Screen The unit is not switched on Check the unit is plugged in correctly
and switched on
Plug or lead are damaged Call a qualified service technician
Power supply Check power supply
Internal wiring fault Call a qualified service technician
Brewer not “Ready” Water not connected Connect water to the rear of the
machine.
Element failure Call a qualified service technician
Grinder not working The unit is not connected to the brewer Check the unit is plugged into the
brewer.
The coffee is too weak Not enough ground coffee has been used Increase the amount of coffee
Coffee grind is too coarse Reduce the coarseness of the grind
The coffee is too strong Too much ground coffee has been used Reduce the amount of coffee
Coffee grind is too fine Increase the coarseness of the grind
Not enough water has been used Increase the amount of water
The basket is overflowing Coffee grind is too fine Increase the coarseness of the grind
Too much ground coffee has been used Reduce the amount of coffee
TROUBLESHOOTING