PSM 3 Fanuc Alpha-i Series PSM alarm code 3

PSM 3 Fanuc Alpha-i Series PSM alarm code 3

(1)Meaning

  • The temperature of the main circuit heat sink has risen abnormally.


(2)Cause and troubleshooting

  • The temperature of the main circuit heat sink has risen abnormally.
  • (a)Cooling fan for the main circuit broken. Check whether the cooling fan for the main circuit rotates normally. Replace it.
  • (b)Dust accumulation Clean the cooling system with a vacuum cleaner or the factory air blower.
  • (c)Overload Examine the operating conditions

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