What to do if ?? appears on my Miele KM 7878 FL Hob and it doesn't heat?
The appearance of ?? in the timer display indicates that the Miele hob is in demo mode. Press the 0 sensor control on any numerical display. Then touch the ? and ? sensor controls at the same time until ?? flashes alternately with ??? in the timer display.
Why do ??? and ?? flash alternately on my Miele KM 7878 FL Hob?
The hob is incorrectly connected. Disconnect the hob from the mains electricity supply. Contact the Customer Service Department. The hob must be connected to the mains according to the wiring diagram.
General| Hob type | Zoneless induction hob |
|---|---|
| Product color | Black |
| Hob width size | 80 cm |
| Top surface type | Glass-ceramic |
| Appliance placement | Built-in |
| Number of cooking zones | 1 zone(s) |
| Number of gas cooking zones | 0 zone(s) |
| Regular cooking zone size (W x D) | 740 x 380 mm |
| Boost function | Yes |
| Number of boosters | 1 |
| Regular cooking zone | 2600 W |
| Number of power levels | - |
| Boost regular cooking zone | 3300 W |
| AC input voltage | 230 V |
| AC input frequency | 50 - 60 Hz |
| Connected load (gas) | - W |
| Connected load (electric) | 11000 W |
| Timer type | Digital |
| Control type | Touch |
| Control position | Front |
Weight and Dimensions| Depth | 520 mm |
|---|---|
| Width | 800 mm |
| Height | 51 mm |
| Weight | 19000 g |
| Cord length | 1.4 m |
| Installation compartment depth | 500 mm |
| Installation compartment width | 780 mm |
Defines the intended use of the hob for domestic purposes and prohibits other uses.
Provides safety guidelines for children around the hob, including supervision and lock functions.
Covers safety aspects related to installation, electrical connections, and authorized personnel.
Details safe operating practices, fire prevention, and prohibited actions during cooking.
Explains the sensor controls and their functions for operating the hob.
Details the various display symbols and indicator lights on the hob.
Lists types of pans suitable for induction hobs based on base material.
Overview of system and safety lock functions to prevent accidental use.
How to activate the system lock to prevent hob operation.
How to deactivate the system lock.
How to activate the safety lock during hob operation.
How to deactivate the safety lock.
Explains automatic switch-off when sensors are obstructed.
Details the overheating protection mechanism and activation circumstances.
Explains common error messages and their remedies.
Critical safety warnings related to hob installation by qualified persons.
Specifies required safety clearances above the hob and cooker hood.
Details minimum distances to walls and units for safe installation.
Required clearance below the hob for ventilation and oven/drawer installation.
Specifies safety distances related to niche cladding material types.
General notes for installing the hob on a worktop.
How to create a proper seal between hob and worktop, avoiding sealant.
Provides dimensions for surface-mounted installation of KM 7697 FL/KM 7897 FL models.
Detailed steps for correctly installing the hob surface-mounted.
General notes for flush-fit installation on various worktop types.
Provides dimensions for flush-fit installation of KM 7697 FL/KM 7897 FL models.
Detailed steps for correctly installing the hob flush-fit.
Details electrical connection requirements, data, RCD advice, and earthing.
Methods for safely disconnecting the hob from the power supply.
Requirements and specifications for the hob's mains connection cable.
Safety and procedure for replacing the mains connection cable.
Illustrates different permitted and non-permitted wiring connection methods.
To Next Page
