Fan RPM not in range #10122 (SL1/SL1S)

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What happened?

The printer is displaying the message: RPM of (fan)s not in range. Check if the fan is connected correctly.

Error name: Fan RPM not in range

Error code: #10122

Issued if the RPM of any of the printer's fans is not within their limits of use when measured, during the calibration wizard.

How to fix it?

The SL1 has three fans:

• The LED cooling fan (indicated in the picture by a purple arrow on the left).
• The right blower fan (indicated in the picture by a green arrow in the middle).
• The rear filter fan (indicated in the picture by a blue arrow on the right).

If the warning appears, please follow the maintenance steps for the fan that generated the issue: SL1/SL1S maintenance. When doing that, also check the cable connections of the fan to the mainboard.

Go to the printer menu in LCD menu -> Settings -> Calibration -> Wizard. The printer will run the self-test. In case the fan also fails during the self-test, switch the connection of two of the fans, and see if the warning will be transferred to the new fan. If the error is transferred, the fan that had the warning originally may need to be replaced.

Parts replacement guide(s)

How to replace a blower fan (SL1)