Q. The automatic and manual modes do not switch

If the mode does not switch even when the automatic/manual mode switch button is pressed.
![trouble_03.png](https://codama-files.komatsuelec.co.jp/faq-images/35644aee-66bc-48d7-b4b4-79091c465271.png)

※Operation methods differ depending on the controller.

# Releasing the KV controller's operation mode lock

1.  Please release the operation mode lock.
    1.  Please release the automatic (AUTO) mode lock.
        1.  Make sure you are in automatic mode.
        2.  Press and hold 『Stop』 + 『Auto/Manual』 + 『Close▼』 simultaneously for 3 seconds or more.
        3.  When "AUTO JOUGEN" is displayed on the LCD screen, the automatic (AUTO) mode lock is released.
    ![スクリーンショット 2025-06-10 125557.png](https://codama-files.komatsuelec.co.jp/faq-images/a8eb44cb-2ddc-419d-b1b7-9a3f91ac1016.png)
    2.  Please release the manual (MANU) mode lock.
        1.  Make sure you are in manual mode.
        2.  Press and hold 『Stop』 + 『Auto/Manual』 + 『Open▲』 simultaneously for 3 seconds or more.
        3.  When "MANU JOUGEN" is displayed on the LCD screen, the manual (MANU) mode lock is released.
    ![スクリーンショット 2025-06-10 130108.png](https://codama-files.komatsuelec.co.jp/faq-images/af7f389b-684f-441d-aadd-982805a89057.png)

# If 'MANU' is flashing on the LCD, complete sampling

1.  Please check the operation.
    About sampling mode
    Sampling mode is a mode that memorizes the settings after each setting change of the pipe-less shutter. "C" or "O" is displayed on the LCD monitor, and "MANU" in the operation mode flashes.
    ![スクリーンショット 2025-06-10 130224.png](https://codama-files.komatsuelec.co.jp/faq-images/ed6525c2-d111-4545-8634-7a20f40f9461.png)
2.  Once the shutter is opened and closed, sampling is completed, and "Data Save" is displayed on the LCD monitor.
    ※Always check the operation after the settings and sampling are completed.