Cummins/Onan HDZAA — Disconnect the 6-pin connector from the Internal

Before you start

• start can be avoided by performing periodic mainte-
• hours). The generator set continues to run. Fill or
• OIL CHANGE / CHECK OIL LEVEL These mes-
• cleared, cannot be retrieved.
• set start-up indicating that it is in calibration mode
• Possible Cause: The engine lubricating oil temper-
• the generator set stops. Turn off and restart the gen-
• Note: Operator warning and fault messages, once
• STATUS MESSAGES
• and periodic maintenance messages. Warning and
• FAULT MESSAGES
• because the ambient temperature is below freezing.
• ature is too high or the pressure is too low. The oil
• in parallel. When the engine is at rest and cold, the
• set. Check battery connections and recharge or re-
• WARNING MESSAGES
• NANCE SCHEDULE) and by making sure that the
• MAINTENANCE MESSAGES
• message clears. If not reset, the message will re-
• fuel gauge reads EMPTY, thus reserving fuel for the
• that the generator set will run out of fuel before the
• GEN WAIT The generator set is delaying the next
• has a short circuit. AC output voltage is turned off
• erator set.
• LOW BATTERY Battery voltage is below the mini-
• connect appliances one by one to find out which one
• mum value (9 VDC) necessary to start the generator
• nance on schedule (TABLE 3-1. PE
• but the engine is kept running to cool the generator
• RESTART GEN? This message appears any time
• the engine and then restart the generator set. Re-
• shorted and have it repaired or replaced.
• stop switch inside the generator set (p. 2-2) and
• and not yet ready to produce AC output voltage.
• should also be noted that the vehicle manufacturer
• GEN START If this message appears while press-
• sages appear every time the generator set hour
• GEN CAL This message appears during generator
• set. Disconnect all appliances, press STOP to stop
• switch is open.
• Try restarting when the message turns off.
• GEN OFF Indicates that the generator set is off but
• change oil as necessary. The generator set must be
• appear after an hour of running.
• Diagnosis/Repair—Low Oil Pressure:
• counter reaches preset oil check/change intervals
• Fault messages, once cleared, cannot be retrieved.
• ing START, but the engine does not crank, check the
• SHORT CIRCUIT A connected appliance probably
• propulsion engine.
• RIODIC MAINTE-
• OIL TEMP-PRESS
• pressure switch is closed and the temperature
• ready to start.
• To clear faults turn display off/on.
• start attempt to allow the starter motor to cool down.
• running to reset the message. Hold START until the
• Most generator set shutdowns and failures to
• has probably arranged the fuel tank dip tubes such
• pressure and temperature switches are connected
• generator set does not run out of fuel. In this regard it
• ning.
• GEN ON Indicates that the generator set is run-
• place the battery.
• push it on.
• (change after first 20 hours and then every 250
• Or, more time is being allowed for engine preheating
• The Operator Panel displays the following status
• Wait a few seconds.