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TABLE 12-1. TROUBLESHOOTING
WARNING Some genset service procedures present hazards that can result in severe personal
injury or death. Only trained and experienced service personnel with knowledge of fuels,
electricity, and machinery hazards should perform genset service. See Safety Precautions.
LOSS OF FIELD SENSE—CODE NO. 48
(The field sense circuit on the Controller circuit board failed during normal voltage regulation)
Corrective Action: Replace the control board (p. 11-1)
OVERPRIME—CODE NO. 57
(The local or remote control switch was held in the Prime position for more than 3 minutes)
Corrective Action: Check for and remove any object that may be holding either control switch (remote
or local) in the prime position.
12-12