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Miele CM6 User Manual

Miele CM6
63 pages
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TECHNICAL INFORMATION
CM6 Countertop Coffee Systems
© 2018 Miele USA

Table of Contents

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Miele CM6 Specifications

General IconGeneral
TypeFully Automatic
Coffee TypeGround Coffee, Coffee Beans
Water Tank Capacity1.8 liters
Power Consumption1450 watts
Pump Pressure15 bar
Adjustable Coffee Spout HeightYes
OneTouch PreparationYes
OneTouch for TwoYes
Number of Bean Containers1
Conical Grinding UnitYes
Programmable User ProfilesYes
Hot Water FunctionYes
Milk FrotherYes
Automatic RinsingYes
Automatic CleaningYes
Automatic DescalingYes
Voltage220-240 V
Frequency50-60 Hz
Height36 cm
Width24 cm
ProgrammableYes
Adjustable Coffee StrengthYes
Adjustable Coffee TemperatureYes
Adjustable Coffee VolumeYes
Cup WarmerYes
Removable Brew UnitYes
Removable Drip TrayYes
Removable Water TankYes
Removable Bean ContainerYes
Removable Grounds ContainerYes
Removable Milk ContainerYes
Energy Saving ModeYes
Child LockYes
Warranty2 years
FreestandingYes
Coffee TypesEspresso, Coffee, Cappuccino, Latte Macchiato
Bean Container Capacity300 g
ColorWhite

Summary

Warning and Safety Instructions

General Safety

General safety guidelines for repairs and maintenance by qualified personnel.

Risk of Burning or Scalding

Precautions regarding hot components and pressurized steam during servicing.

Touch Current Measurement

Procedures for measuring touch current on accessible conductive parts.

Modification History

Technical Data

Serial Modifications

Details of serial modifications and their effective dates for CM 61x0 and CM 63x0 models.

Technical Specifications

Detailed technical specifications including capacity, electrical connection, and temperatures.

Layout of Electrical Components

CM 61x0 Component Layout

Diagram and labels for electrical components of the CM 61x0 model.

CM 63x0 Component Layout

Diagram and labels for electrical components of the CM 63x0 model.

Overview

Function

Overview of appliance functions.

Optical Interface

Location and purpose of the optical interface for diagnostics and updates.

Water Paths

Diagrams illustrating the water flow paths within the appliance.

Coffee Water Path

Detailed diagram of the water path for brewing coffee.

Hot Water Path (CM 63x0 Only)

Diagram of the water path for hot water dispensing in CM 63x0 models.

Hot Milk Water Path

Diagram of the water path for preparing hot milk.

Milk Froth Water Path

Diagram of the water path for frothing milk.

Rinse Water Path

Diagram of the water path during the rinse cycle.

Brew Unit Drive

Microswitch Locations

Identification and function of the four microswitches controlling the brew unit drive.

Brew Unit Presence Monitoring

How the brew unit presence microswitch confirms correct installation.

Electronic Grind Amount Compensation

Explanation of how grind amount is adjusted for different coffee types.

Brew Unit Drive Actuator and Switches

Illustrations of the brew unit actuator, microswitches, and cam settings.

Brew Unit Drive Home Position

Description and diagrams of the brew unit drive in its home position.

Brew Unit Drive Compressing Position

Description and diagrams of the brew unit drive during compression and brewing.

Brew Unit Drive Drain Position

Description and diagrams of the brew unit drive during the drain cycle.

Machine Response and Drip-Tray Sensing

Power Supply Failure Response

How the appliance behaves after a power interruption.

Drip-Tray Sensing

How the drip tray fill level and presence are detected.

Fault Repair

F1 - Short Circuit in Heater NTC

Symptom, cause, and remedy for a short-circuited heater NTC.

F2 - Open Circuit in Heater NTC

Symptom, cause, and remedy for an open-circuited heater NTC.

F10 - No Water Flow

Symptom, cause, and remedy for the appliance not drawing water.

F17 - Insufficient Water Flow

Symptom, cause, and remedy for low water flow from the dispenser.

F28 - Too Much Ground Coffee in Brew Unit

Symptom, cause, and remedy for excess ground coffee in the brew unit.

F38 - Incompatible Electronics

Information on incompatible electronic module combinations.

F40 - Power Electronic Fault

Symptom, cause, and remedy for a fault in the power electronic module.

F41 - EEPROM/Data Fault

Symptom, cause, and remedy for EEPROM or data faults.

F42 - Line Frequency Not Registered

Symptom, cause, and remedy for line frequency registration issues.

F73 - Brew Unit Fault

Symptom, cause, and remedy for brew unit movement faults.

F74 - Ceramic Valve Fault

Symptom, cause, and remedy for ceramic valve activation or position switch faults.

F76 - Brew Unit Compression Fault

Symptom, cause, and remedy for brew unit compression issues.

F77 - Ceramic Valve Initialization Fault

Symptom, cause, and remedy for ceramic valve initialization errors.

F80 - Heater Not Heating

Symptom, cause, and remedy for the heater not reaching temperature.

F82 - Heater Too Hot

Symptom, cause, and remedy for the heater exceeding temperature limits.

F235 - Communication Fault

Symptom, cause, and remedy for communication faults between electronic modules.

"50 Portions until Descale" Message

Cause and remedy for the "50 Portions until Descale" notification.

"Empty Drip Tray" Message

Explanation for the "Empty Drip Tray" message appearing when the tray is not full.

Frequent Drip Tray Emptying

Reason why the drip tray may need frequent emptying.

Coffee/Espresso Too Cold

Causes and remedies for coffee or espresso served at an insufficient temperature.

Unsatisfactory Milk Froth

Causes and remedies for poorly frothed or sputtering milk.

Low Coffee Flow

Symptom, cause, and remedy for low or no coffee flow from the spout.

Bitter Coffee Taste

Causes and remedies for bitter coffee taste and excess grounds.

Coffee Grounds Next to Brew Unit

Causes and remedies for coffee grounds found outside the brew unit.

Water Pump Not Pumping

Symptom, cause, and remedy for the water pump failing to operate.

Service

Drink Settings (Customer Programming)

Guide to setting drink preferences and portion sizes.

Machine Settings (Customer Programming)

Guide to adjusting machine settings like language and display.

Service Programming

Accessing Service Programming

Procedure for accessing and using service programming mode.

Service Mode

Accessing Service Mode

Procedure for accessing and using service mode.

Component Testing

Component Activation and Testing

How to activate and test individual components in service mode.

Operation Tests

Sensor and Display Testing

Procedures for testing touch sensors and display functions in operation.

Top Cover Removal

Side Casing Removal

Cup Warmer Removal (CM 63x0)

Front Panel Removal

Display/Control Electronic Removal

Door Contact Switch Removal

Grinder Removal

Grinder Thermostat Removal

Power Electronic Removal

Chute Present Switch Removal

Pump and Thermostat Removal

Flow Meter Removal

Water Tank Sensor Removal

Drip Tray Switch Removal

Ceramic Valve Removal

Heater, Fuses, and NTC Removal

Brew Unit Drive and Switches Removal

Brew Unit Switch Removal

Grind Amount Switch Removal

Dispenser Assembly Removal

Hot-Water Spout Removal

Technical Service Bulletins

CM 6X; F80 Fault and Repair

Details on a specific fault (F80) related to the flow-through heater and software updates.

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