Teka CM 45 Manuale utente
Service Manual
CM 45 / CML 45 Coffee Maker
Service Manual: SM-CM-0002-01-1109 Technical Training Department - 1 -
Service Manual: MS-CM-0002-01-1109
CM 45 / CML 45 Coffee Maker Service
Manual
(January 2010)
Service Manual
CM 45 / CML 45 Coffee Maker
Service Manual: MS-CM-0002-01-1109 Technical Training Department - 2 -
Contents
1. General description and operation instructions ...............................................................- 5 -
2. Product data identification ...............................................................................................- 7 -
Counting the number of coffees ...........................................................................................- 7 -
3. Installation process ...........................................................................................................- 9 -
Step 1: Position the rails on the side of the cabinet ...........................................................- 10 -
Step 2: Fix the power cable with the clip ............................................................................- 10 -
Step 3: Position the coffee maker on the rails....................................................................- 11 -
Step 4: Correct alignment with spacer if necessary............................................................- 12 -
Step 5: Appliance settings...................................................................................................- 12 -
4. Security and operation guide ..........................................................................................- 16 -
5. Product operation ...........................................................................................................- 17 -
Main functions ....................................................................................................................- 17 -
Coffee with coffee beams ...............................................................................................- 17 -
Coffee with ground coffee ..............................................................................................- 17 -
Coffee quantity................................................................................................................- 18 -
Adjust grinding level........................................................................................................- 18 -
Maintenance and cleaning..................................................................................................- 19 -
Cleaning the coffee grounds container...........................................................................- 20 -
Cleaning the drip tray......................................................................................................- 21 -
Cleaning the water tank ..................................................................................................- 21 -
Cleaning the spouts.........................................................................................................- 21 -
Cleaning the pre-ground coffee funnel...........................................................................- 22 -
Cleaning the inside of the coffee maker .........................................................................- 22 -
Cleaning the infuser ........................................................................................................- 22 -
Cleaning the cappuccino nozzle ......................................................................................- 23 -
Decaling...........................................................................................................................- 23 -
Electrical diagram................................................................................................................- 25 -
Hydraulic diagram ...............................................................................................................- 32 -
How the coffee maker works ..............................................................................................- 35 -
When choosing a coffee the coffee maker follows the steps below:.............................- 35 -
When choosing hot water or steam the coffee maker works as indicated below: ........- 37 -
6. Product components.......................................................................................................- 38 -
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 -
Service Manual
CM 45 / CML 45 Coffee Maker
Service Manual: MS-CM-0002-01-1109 Technical Training Department - 4 -
9. Client manual. Question guide to identify easy-to-solve problems................................- 54 -
10 Version changes ..........................................................................................................- 56 -
Section 2:.............................................................................................................................- 56 -
Figure 1 CM 45 built in coffee maker........................................................................................- 5 -
Figure 2 Serial number location ................................................................................................- 7 -
Figure 3 CM 45 dimensions, furniture dimensions and ventilation gap dimensions................- 9 -
Figure 4 Positioning of the side rails .......................................................................................- 10 -
Figure 5 Fixing the power cable with the clip .........................................................................- 10 -
Figure 6 Positioning the CM 45 in the rails .............................................................................- 11 -
Figure 7 Correcting the alignment of the CM45 .....................................................................- 12 -
Figure 8 Main switch ...............................................................................................................- 12 -
Figure 9 Control panel buttons ...............................................................................................- 13 -
Figure 10 Filling the water tank...............................................................................................- 13 -
Figure 11 Components to be cleaned .....................................................................................- 20 -
Figure 12 PCB structure...........................................................................................................- 31 -
Figure 13 Hydraulic diagram ...................................................................................................- 32 -
Figure 14 Hydraulic diagram explanation ...............................................................................- 33 -
Figure 15 Hydraulic diagram explanation 2 ............................................................................- 34 -
Figure 16 Coffee Maker hydraulic block .................................................................................- 36 -
Figure 17 Infuser .....................................................................................................................- 36 -
Figure 18 3 ways valve. ...........................................................................................................- 37 -
Figure 19 Steam valve .............................................................................................................- 37 -
Figure 21 Flowmeter ...............................................................................................................- 38 -
Figure 20 Water pump ............................................................................................................- 38 -
Figure 22 Hot water and coffee heating element...................................................................- 39 -
Figure 23 Steam heating element ...........................................................................................- 40 -
Figure 24 Grinder ....................................................................................................................- 40 -
Figure 25 Infuser group Kit......................................................................................................- 43 -
Figure 26 Infuser block............................................................................................................- 44 -
Figure 27 Fan...........................................................................................................................- 44 -
Figure 28 3 ways and 2 ways steam electrovalves..................................................................- 45 -
Figure 29 CM 45 User interface ..............................................................................................- 46 -
Table 1 Technical data...............................................................................................................- 6 -
Table 2 Water pump technical data........................................................................................- 38 -
Service Manual
CM 45 / CML 45 Coffee Maker
Service Manual: MS-CM-0002-01-1109 Technical Training Department - 5 -
1. General description and operation instructions
The following Service Manual aims to explain the use and how to repair
the Coffee Maker CM 45 which has been recently introduced within TEKA
range.
Figure 1 CM 45 built in coffee maker
It is a built in coffee maker provided with the features listed below:
Electro mechanical control panel
30 automatic programmes
Capacity for two coffee cups simultaneously
Adjustable coffee dispenser
Retractable pipe for steam and hot water
Integrated coffee grinder with grinding coarseness regulation up to
13 positions
Coffee beams deposit with capacity up to 200 gr
Preground coffee deposit
1,8l water tank
Self cleaning function at the beginning/end of the cycle
Service Manual
CM 45 / CML 45 Coffee Maker
Service Manual: MS-CM-0002-01-1109 Technical Training Department - 6 -
Automatic descaling function
Regulation of coffee intensity (extra light, light, medium, strong and
extra strong)
Regulation of quantity of coffee
Regulation of coffee temperature (low, medium, high)
Display with 8 languages
Technical data:
Table 1 Technical data
PLEASE REMEMBER TO DELETE PREVIOUS VERSIONS OF
THIS DOCUMENT AS THEY MAY PROVIDE MISLEADING
INFORMATION
Technical data
Voltage 220-240/50-60 v/Hz
Máx Input Power 1350 W
Coffee section
Temperature probe 98 ºC
Thermal fuse TCO 192 ºC
Heating element power 600+600 W
Pump ULKA EP5/48 Type/W
Steam section
Temperature probe 145 ºC
Thermal fuse TCO 318 ºC
Heating element power 1000 W
Service Manual
CM 45 / CML 45 Coffee Maker
Service Manual: MS-CM-0002-01-1109 Technical Training Department - 7 -
2. Product data identification
In order to ensure the correct treatment of each
incidence TEKA product serial number should be
provided together with the incidence information. This
serial number can be found as indicated in the figures
below:
It is very important to describe as much as possible the incidence so that
information can be processed and factories can be informed of their
appliances quality problems, so that a quality improvement can be
attained.
Counting the number of coffees
Always when reporting an incidence on a coffee maker,
we MUST take note of the total number of coffees that
have been made up to date. Please find below the
procedure in order to enter the counting procedure
Figure 2 Serial number location
Service Manual
CM 45 / CML 45 Coffee Maker
Service Manual: MS-CM-0002-01-1109 Technical Training Department - 8 -
To enter the procedure: Press and Hold: Menu' + CHANGE buttons, then
plug the machine On
The display will show:
Total number of coffees made;
Total liters of water used.
Pressing the button NEXT, the Display will show:
Total number of decaling procedures performed.
Please check that decaling have been performed as required,
otherwise warranty does not apply to the appliance.
Service Manual
CM 45 / CML 45 Coffee Maker
Service Manual: MS-CM-0002-01-1109 Technical Training Department - 9 -
3. Installation process
Verify the minimum measurements required for correct installation of the
appliance. The coffee maker must be installed in a column and the column
must be firmly fixed to the wall with commercially available brackets.
All installation or maintenance operations must be
performed with the appliance disconnected from the
mains electricity supply.
Kitchen furniture in direct contact with the appliance
must be heat resistant (65°C min)
Find below the dimensions of the appliance, kitchen furniture and
ventilation gaps:
Figure 3 CM 45 dimensions, furniture dimensions and
ventilation gap dimensions
This appliance can be installed in combination with a built-in oven if the
latter is fitted with a cooling fan at the rear (maximum oven power: 3 kW).
Service Manual
CM 45 / CML 45 Coffee Maker
Service Manual: MS-CM-0002-01-1109 Technical Training Department - 10 -
Step 1: Position the rails on the side of the cabinet
Figure 4 Positioning of the side rails
Fix with the screws, then extract completely. If the coffee maker is
installed over a warmer drawer (500 W max.), use the top surface of this
as a reference to position the rails. In this case, there will be no surface to
rest the rails on.
Step 2: Fix the power cable with the clip
Figure 5 Fixing the power cable with the clip
The clip avoids the cable power to get tangle when the appliance is
inserted or extracted.
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