Cummins

CODE 45

UnclassifiedElectrical

What This Code Means

Microprocessor ROM error occurred during self test; Microprocessor RAM error occurred during self test; Control is unable to sense quadrature frequency; Control is unable to sense field voltage; Priming exceeded 3 minutes; Status Indicator Not Working; Remote control switch start doesn't work

Possible Causes

  • •Microprocessor ROM error
  • •Microprocessor RAM error
  • •Control is unable to sense quadrature frequency
  • •Control is unable to sense field voltage
  • •Object holding either control switch (remote or generator set) in the STOP/PRIME position
  • •Faulty connections
  • •No battery voltage

Suggested Actions

  1. 1Contact Local Dealer or Distributor
  2. 2Check control switch
  3. 3Check for and remove any object that may be holding either control switch (remote or generator set) in the STOP/PRIME position
  4. 4Try the generator set control switch if the remote control switch start doesn't work, and vice versa
  5. 5Clean and tighten the positive (+) and negative (–) battery cable connections at the battery and at the generator set
  6. 6Recharge or replace the battery

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