Generac Power Systems MAGNUM MLT6SMDS

Questions and Answers

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Danielle MartinAug 9, 2025
Why does my Generac Power Systems MAGNUM MLT6SMDS Construction Equipment have low oil pressure shutdown?
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  Yvette WilsonAug 9, 2025
  If your Generac Power Systems Construction Equipment experiences a low oil pressure shutdown, it could be due to several reasons: a low oil level (verify oil level on dipstick and add oil if needed), oil leaking from the engine (inspect the engine for leaks), or an oil pressure switch failure (refer to the OEM engine operator’s manual to identify corrective action).
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Sheila DavisAug 14, 2025
What to do if my Generac Power Systems MAGNUM MLT6SMDS Construction Equipment cranks but won't start?
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  lsmithAug 14, 2025
  If your Generac Power Systems Construction Equipment cranks but will not start, the issue might be due to a low fuel level (check fuel level in tank and verify fuel pump operation), a restricted air filter (inspect air filter for blockage; refer to OEM engine operator’s manual for additional information), or the PAS being engaged (verify PAS is off).
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Amber AshleySep 2, 2025
What causes mast lights to be off when checking inside the control box of Generac Power Systems MAGNUM MLT6SMDS?
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  Donna HamiltonSep 2, 2025
  If the mast lights are off on your Generac Power Systems Construction Equipment, and you're checking inside the control box, the issue may stem from loose lighting connections (inspect the connections inside the control box) or an incorrect generator output (check the incoming voltage to the ballast driver by checking the available voltage on the GFCI receptacle; incoming voltage should be 120V ± 5V; if voltage is incorrect, the generator may require service).
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colematthewNov 20, 2025
Why does my Generac Power Systems Construction Equipment have a high coolant temperature shutdown?
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  April MartinNov 20, 2025
  If your Generac Power Systems Construction Equipment experiences a high coolant temperature shutdown, it could be due to several factors: a low coolant level (add coolant if needed, allow engine to cool, then check coolant level in radiator; restart engine and check coolant temperature, stopping immediately if it exceeds 210 °F (99 °C)), a blockage in the radiator (inspect radiator shroud and ducting for blockage and remove any foreign matter), leakage in coolant hoses, engine block, or water pump (inspect for visible leaks and verify tension of water pump serpentine drive belt; remove load on generator and restart engine, verifying coolant temperature and shutting down immediately if it overheats), a faulty thermostat or water pump failure (contact a GMP ASD to replace), or an incorrect m...
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zmooreNov 25, 2025
How to troubleshoot mast lights off on Generac Power Systems MAGNUM MLT6SMDS Construction Equipment?
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  Anna DudleyNov 25, 2025
  If the mast lights are off on your Generac Power Systems Construction Equipment, and you're checking outside the control box, it could be due to a few reasons: * The light fixture is too hot (allow light to cool 10–15 minutes before restarting). * Loose lighting connections (inspect the connections inside the mast junction box and each mast light housing/socket). * A damaged or loose electrical cord (inspect the mast electrical cord for damage and check the cord connections inside the control box). * A faulty fuel filter (with engine running and lights off, measure voltage and frequency at the GFCI receptacle; voltage should indicate 120VAC ± 5%, and frequency should indicate 60.7 Hz ± 5%; if both are low (