Primus MB140 - User Manual

Questions and Answers

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jennifer81Aug 19, 2025
How to fix a Primus Scrubber with a display that won't light up?
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  Carrie GarrisonSep 12, 2025
  If the display of your Primus Scrubber is not illuminated when you switch on the power, consider the following: * Ensure the external power supply is switched on and providing power to the machine. * Deactivate the emergency button. * Check and properly connect the power connector on the board, ensuring correct wiring. * Inspect the fuse on the electronic board; replace it if burned. Also, verify that input signals or the +16Vdc Supply Signal are not touching the cabinet. * If there's no EPROM on the electronic board, install the correct EPROM with the software.
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gbarrettAug 21, 2025
What to do if my Primus Scrubber keyboard buttons aren't working?
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  sandramillerAug 21, 2025
  If your Primus Scrubber is not responding when you press the keyboard buttons, here are some things to check: * Make sure the input connector “A” is securely connected and inspect the wiring between the connector and the key-switch. * Ensure the key switch is set to “Run mode.” * Verify that the connector “K” of the keyboard is properly connected.
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David HarrisAug 23, 2025
How to improve the display brightness on a Primus Scrubber?
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  Angela HayesAug 25, 2025
  If the display on your Primus Scrubber is illuminated but hard to read, adjust the brightness setting in the Configuration Menu until the display is clear and bright.
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Samantha WigginsAug 26, 2025
Why is the drum not turning in my Primus Scrubber?
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  Dr. Amanda Miller DVMAug 26, 2025
  If the drum in your Primus Scrubber isn't turning and no error message is displayed, check the following: * Inspect the belt for any breaks and check its tension; replace or adjust as needed. * Check the motor voltage applied. * Assess whether the motor is still functional. * Check the inverter.
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Timothy AbbottAug 27, 2025
How to resolve a 'Heating Failure' error on a Primus MB140 Scrubber?
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  Ryan CoffeyAug 27, 2025
  If you're encountering a 'Heating Failure' (Failure 13) error on your Primus Scrubber, check if the heating contactor is activated. If it's not, repair the wiring or replace the contactor.
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Kevin MillerAug 30, 2025
What causes outputs to not activate when starting a program on a Primus MB140 Scrubber?
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  Kimberly FischerAug 30, 2025
  If you start a program on your Primus Scrubber, but the outputs aren't activating, ensure that connectors “R” and “Q” are correctly connected and not inverted. Pin “Q10” must be supplied with 220Vac when the door is closed.
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Dawn YuSep 1, 2025
How do I fix a wrong water level issue on my Primus MB140?
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  Andrew HernandezSep 1, 2025
  If you're experiencing a wrong water level issue with your Primus Scrubber, make sure the programmed water levels are correct and that the right machine type is selected in the Configuration Menu. You can reinitialize standard water levels by programming new values or reloading the Standard Wash programs.
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Teresa JohnsonSep 3, 2025
What should I do if my Primus MB140 Scrubber shows an 'Overfill Failure'?
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  evansthomasSep 3, 2025
  If your Primus Scrubber displays an 'Overfill Failure' (Failure 12), the water inlet valves might be broken. Try cleaning or replacing the water inlet valve diaphragms.
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Robert ReyesSep 5, 2025
How to troubleshoot a 'Fill Failure' on a Primus MB140?
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  Gabrielle ThomasSep 5, 2025
  If you're facing a 'Fill Failure' (Failure 11) on your Primus Scrubber, start by checking if the external water valves are open. If they are closed, open the water inlet valves to allow water to flow into the machine.
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Luis CamposSep 7, 2025
What to do if my Primus MB140 Scrubber displays a 'Too Hot' error?
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  villarrealcrystalSep 7, 2025
  If your Primus Scrubber shows a 'Too Hot' (Failure 15) error, verify that the correct water inlet valves have been programmed. Ensure you're programming both hot and cold water inlet valves for the wash sequence.