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Related Small Engine Questions
I have a code 27 on my Onan 4.0. How do I check the brushes.
I have a code 27 on my Onan 4.0. How do I check the brushes … read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
I have an Onan marquis 7000 about 20 years old. Runs great
I have an Onan marquis 7000 about 20 years old. Runs great for about 15/20 minutes then the AC power (120v) shuts off then the generator itself will shut down when it senses no AC power. What can it b… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
I HAVE A ONAN 7000 HGJAE. STARTS AND RUNS FINE FOR 1-3
I HAVE A ONAN 7000 HGJAE. STARTS AND RUNS FINE FOR 1-3 HOURS. ALL OF A SUDDEN CUTS OFF. I IMMEDIATELY CHECK THE FUEL PUMP WIRING... NO VOLTAGE TO THE FUEL PUMP WHEN IN PRIME. WAIT A COUPLE OF MINUTES,… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
I have a Onan Marine Generator 6.5 MCCK with a no crank
I have a Onan Marine Generator 6.5 MCCK with a no crank problem. Battery ground cable gets hot. Unsure of service history. Generator was manufactured in July 1972. I was wondering if this could be a b… read more
JohnF2015
JohnF2015
High School Diploma
2,736 satisfied customers
I have an onan marquis gold 7000 (NHM-H) It starts and stays
I have an onan marquis gold 7000 (NHM-H) It starts and stay's running but will not produce power.So far I have cleaned the slip rings,installed new gen brushes and replaced the voltage regulator.I am … read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
I have a Onan 7000 in a 1993 Pace Arrow class A, with a 454
I have a Onan 7000 in a 1993 Pace Arrow class A, with a 454 Chev. engine. The generator starts OK, but there is no power to the coach...where do I start and is there a switch on/in the coach that cont… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
Hi, I just bought a RV that came with an Onan 7000 genset.
Hi, I just bought a RV that came with an Onan 7000 genset. It was a bank repo which came stock with a different genset so apparently someone changes it out. The unit in the coach is an Onan mdl#7NHMFA… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
I have an Onan 7HGJAE with only 205 hours, it shutdown and
I have an Onan 7HGJAE with only 205 hours, it shutdown and shows a code 27. I purchased the service manual, and was going to attempt to manually excite the field, but the explanation that the manual g… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
Onan genset model no.7HGJAE-1912C is flashing code#27-voltage
Onan genset model no.7HGJAE-1912C is flashing code#27-voltage sense shutdown, controller unable to sense output voltage. Is this the voltage regulator, or control board, or..........?… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
I have a 1978 Pace Arrow RV with a Onan Emeral 111 Genset 605
I have a 1978 Pace Arrow RV with a Onan Emeral 111 Genset 605 NHEFH R26100E D890225538. It has run very well until now. It will start and run as long as I hold the start switch. As soon as I release t… read more
Curtis B.
Curtis B.
Technician
Associate Degree
16,214 satisfied customers
I have A Onan Markee 7000 gen in my RV unit starts but doez
I have A Onan Markee 7000 gen in my RV unit starts but doez not put out any current how do I check this unit… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
Onan Generator #4.5BGDFA126100J - Voltage charging battery
Onan Generator #4.5BGDFA126100J - Voltage charging battery drops to 12.7 from 13.8. Leads at the voltage regulator are the same (12.7 from 13.8). What controls the battery charging? Voltage to fuel pu… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
Commercial Onan generator 4.5BGDFA126100J on a utility bucket
Commercial Onan generator 4.5BGDFA126100J on a utility bucket truck - Problem with A/C. The generator is running fine but it is not producing A/C. Fuse and breakers are both on but there is no A/C bef… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
I have a onan generator marquis 7000 in my RV it starts an
I have a onan generator marquis 7000 in my RV it starts an runs ok but it no longer powers the RV with electricity… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
The generator starts and runs, the circuit breaker switches
The generator starts and runs, the circuit breaker switches appear to be fine but we appear to have no prower to the transfer switch as measured by a volt/ohm meter - Onan generator in 1995 Winnebago … read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
Hello I have an Onan 7000 watt generator in my 1994 Bounder
Hello: I have an Onan 7000 watt generator in my 1994 Bounder Motorhome that when I went to start it the four way retifier completely melted. I've tried several tests to find that the windings,brushes,… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
5500 marquios gold series genset. Wont stay running, has 0
5500 marquios gold series genset. Wont stay running, has 0 output voltage, and wont make voltage if I flash the field on f+ and f- with 6 volts. what should the resistance be across the 2 field wires… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
Generator will not stay running unless I hold down start button... Assume
Generator will not stay running unless I hold down start button... Assume I am not getting any A/C current Can I get a testing procedure? Model: 6.5NHEFA26101E Serial: A890196104… read more
Hank F.
Hank F.
Technician
16,207 satisfied customers
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