Multiquip

81-1 UNDFREQ ALARM

UnclassifiedGeneral

What This Code Means

Over Current; Engine shuts down after 1-minute cooldown; Loss of Excitation

Possible Causes

  • •Overcurrent occurs
  • •Loss of excitation occurs

Related Multiquip Fault Codes

81-2 OVRFREQ ALARM787280787359P-1 OVRVOLT ALARM787451-2,5,6 OVRCURR ALARM787551-1,3 OVRCURR PREALARM794040Q-1 EXC LOSS PREALARM8124
Browse all Multiquip fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 81-1 UNDFREQ ALARM on your specific Multiquip unit — cited to the OEM manual, not a forum guess.

TRY IT FREE