Using The Maintenance Mode - Siemens SIMATIC HMI Unified Comfort MTP700 Operating Instructions Manual

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Device maintenance and repair

7.3 Using the maintenance mode

Requirement

● Damp cleaning cloth

● Dishwashing liquid or foaming screen cleaning agent

Procedure

Proceed as follows:

1. If a project is running on the HMI device, close the project.

2. Switch off the HMI device.

3. Spray cleaning agent onto the cleaning cloth.

Do not spray cleaning agent directly onto the HMI device.

4. Clean the glass front.

When cleaning the glass front, wipe from the inside to the outside.

7.3

Using the maintenance mode

Maintenance mode is used to reset the HMI to the factory settings.

When the operating system starts and the Control Panel is displayed after the HMI device is

switched on, you can start the HMI device in maintenance mode by clicking the "Reboot in

maintenance mode" button. Follow the description in section

"Resetting an HMI device to factory settings via ProSave (Page 133)".

If the HMI starts with the boot splash screen and detects the corrupt operating system, the

HMI automatically switches to maintenance mode. The "Maintenance Mode" dialog box is

displayed. In this case, follow the procedure from step 6 in section

"Resetting an HMI device to factory settings via ProSave (Page 133)".

If the HMI device starts with the boot splash screen and does not detect the corrupt

operating system, the HMI device does not switch to maintenance mode. The "Maintenance

Mode" dialog is not displayed. You must reset the HMI device to the factory settings. In this

case, start the HMI device while pressing the "Maintenance" button as described in this

section.

136

Unified Comfort Panels

Operating Instructions, 03/2020, A5E46641217-AA

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