Rectifying errors

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Automatic shut-down (empty rechargeable/non-rechargeable battery)

Change the rechargeable or non-rechargeable battery as necessary.

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Automatic shut-down (operating temperature exceeded)

Adjust the measuring tool to the ambient temperature before switching it on. Then check the measuring accuracy and calibrate the measuring tool if required.

−/PNK

Unsuccessful attempt to connect to the remote control (40) or the laser receiver (41)

Briefly press the on/off button (11) to close the error message. Start the connection process again see Establishing a connection to the remote control/laser receiver.
If it is not possible to establish a connection, please contact a Bosch customer service agent.

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Unsuccessful attempt to connect to the mobile device

Briefly press the on/off button (11) to close the error message. Start the connection process again see Remote control via Bosch Levelling Remote App.
If it is not possible to establish a connection, please contact a Bosch customer service agent.

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Measuring tool is at a slant of more than 8.5 % or is not in the correct horizontal or vertical position.

Reposition the measuring tool so that it is in either the horizontal or vertical position. The re-levelling will start automatically.

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Maximum levelling time is exceeded

Reposition the measuring tool so that it is in either the horizontal or vertical position. Briefly press the on/off button (11) to restart levelling.

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Change between the horizontal and vertical position without switching the measuring tool on/off

Briefly press the on/off button (11) to restart levelling.

ERR

Unsuccessful calibration of the X-axis

Cancel the calibration with by pressing the button for line operation (5).
Ensure that the receiving field of the laser receiver is perpendicular to the corresponding axis (X/Y) of the measuring tool. Restart the calibration.

ERR

Unsuccessful calibration of the Y-axis

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Unsuccessful calibration of the Z-axis

Cancel the calibration with by pressing the button for line operation (5). Check that the measuring tool is aligned correctly and restart calibration.

ERR

Unsuccessful CenterFind mode in relation to the X-axis

Press any button to close the error message.
Check whether the measuring tool and laser receiver have been set up correctly. The laser receiver must be situated within the pivoting range of ±8.5 % of the measuring tool.
Restart the mode.

ERR

Unsuccessful CenterFind mode in relation to the Y-axis

GRL 650 CHVG:

ERR

Unsuccessful CenterLock mode in relation to the X-axis

Press any button to close the error message.
Check whether the measuring tool and laser receiver have been set up correctly. The laser receiver must be situated within the pivoting range of ±8.5 % of the measuring tool.
Restart the mode.

ERR

Unsuccessful CenterLock mode in relation to the Y-axis