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CODE 521

Have a Doosan G33P-5 serial number MN00244 which is throwing a code 521. I only have a book on earlier models which show only 2-digit codes. Wondering what this code 521 refers to. Thanks
  • Posted 22 Jan 2013 00:11
  • By MikeMan
  • joined 8 Feb'11 - 17 messages
  • Iowa, United States
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521 is low oil pressure fault,check your oil level and pressure switch
  • Posted 22 Jan 2013 04:23
  • By kevin_t
  • joined 2 Dec'10 - 1,301 messages
  • Pennsylvania, United States
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