Product Manual

TABLE 5. TROUBLESHOOTING (CONT.)

Some genset service procedures present hazards that can result in severe per-

sonal injury or death. Only trained and experienced service personnel with knowledge of fuels,

electricity, and machinery hazards should perform genset service. See Safety Precautions.

WARNING

PROCESSOR FAULT—CODE NO. 51

(Microprocessor malfunction)

Corrective Action: See an authorized Onan dealer.

FUEL INJECTOR FAULT—CODE NO. 52

(Open or short circuit in fuel injector)

Corrective Action: See an authorized Onan dealer.

MAT SENDER FAULT—CODE NO. 54

(Open or short circuit in MAT sender)

Corrective Action: See an authorized Onan dealer.

MAP SENDER FAULT—CODE NO. 56

(Open or short circuit in MAP sender)

Corrective Action: See an authorized Onan dealer.

OVERPRIME FAULT—CODE NO. 57

(Prime mode exceeded 3 minutes)

Corrective Action: Check for and remove any object that may be holding either control switch (remote

or local) in the prime position.