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Service Manual

CM 45 / CML 45 Coffee Maker

Service Manual: MS-CM-0002-01-1109 Technical Training Department - 3 -

Water pump ........................................................................................................................ - 38 -

Flowmeter ........................................................................................................................... - 38 -

Heating elements ................................................................................................................ - 39 -

Hot water and coffee heating element: .......................................................................... - 39 -

Steam heating element ................................................................................................... - 39 -

Grinder ................................................................................................................................ - 40 -

Infuser group kit .................................................................................................................. - 42 -

Infuser block ........................................................................................................................ - 43 -

Fan ....................................................................................................................................... - 44 -

Electrovalves ....................................................................................................................... - 44 -

Water level .......................................................................................................................... - 45 -

7. Service test ...................................................................................................................... - 46 -

Components auto test procedure: ...................................................................................... - 46 -

Display test procedure ........................................................................................................ - 47 -

Counting procedure ............................................................................................................ - 48 -

Error messages .................................................................................................................... - 48 -

8. Troubleshooting section .................................................................................................. - 49 -

From user symptoms........................................................................................................... - 49 -

Water tank empty“ is not shown .................................................................................... - 49 -

Water is not dispensed or is dispensed with insufficient pressure? ............................... - 49 -

Coffee is not dispensed uniformly or is dispensed without flowing? ............................. - 49 -

Coffee tastes bitter? ........................................................................................................ - 50 -

Coffee tastes bland? ........................................................................................................ - 50 -

Coffee tastes rancid? ....................................................................................................... - 50 -

The coffee does not have a good crema? ....................................................................... - 51 -

The display is showing general error message .................................................................... - 51 -

Pump and lime deposits .................................................................................................. - 51 -

Flowmeter ....................................................................................................................... - 51 -

Coffee heating element ................................................................................................... - 51 -

Steam heating element ................................................................................................... - 52 -

Grinder ............................................................................................................................ - 52 -

Infuser group kit .............................................................................................................. - 53 -

PCB and interface boards ................................................................................................ - 53 -

Teka CML 45 Service Manual

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