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Code 14 on my Onian 8000 generator

Customer Question
Code 14 on my Onian 8000 generator
Submitted: 1 year ago.Category: RV
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Answered in 15 hours by:
7/16/2016
RV Mechanic: Robert, RV Mechanic replied 1 year ago
Robert
Robert, RV Mechanic
Category: RV
Satisfied Customers: 13,583
Experience: 18 yrs. RV experience including Cummins North West, Country Coach, Monaco Coach - vendor certified.
Verified

Hi my name is Robert.....

Seeing if you still need more help on this?

Can you get the full model number and serial number off the generator?

Thanks, Robert

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Customer reply replied 1 year ago
Model 8HDKAK-1046K Serial K070127025
RV Mechanic: Robert, RV Mechanic replied 1 year ago

OK

This could be a number of issues with the generator, to start I might shut all the breakers off inside and see if the generator will stay running, if so turn the breakers on one at a time. Try to reduce the load. If the load is not the issue then it could be several causes for this code and would require some in depth testing. You would need at least a volt meter. I do not have a service manual but there is another generator expert that comes around. IF this is something you want to troubleshoot I can put your question back up and see if he responds. Robert

INVERTER OVERFREQUENCY FAULT—CODE NO. 14 (Controller not able to regulate to rated frequency) Corrective Action: Reduce the number of connected appliances, especially when air conditioners and battery chargers are running.

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Customer reply replied 1 year ago
I had already tried that same result. Runs about a minute. I have the volt meter and am a mechanic just need to know what tests to run on the generator
RV Mechanic: Robert, RV Mechanic replied 1 year ago

OK.... I am going to put your question back up and we will see if that other expert responds, my goal is for you to be satisfied and feel he would be able to assist you better, I have no idea when or if he will respond. Please do not respond back or it will take your question off the active list...

Robert

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RV Mechanic: Hank F., RV tech - emphasis on gensets replied 1 year ago
Hank F.
Hank F., RV tech - emphasis on gensets
Category: RV
Satisfied Customers: 15,370
Experience: RV tech since the beginning of the millenium.
Verified

Hello, my name is ***** ***** I am going to assist you with this.

This code is set when the engine is running at the proper speed, but th e inverter unit is not able to maintain proper output.

If you are not overloading the unit, and it still shuts down with little or no load, the inverter unit is bad and will need to be replaced.

The inverter unit is extremely expensive - over $2000, so be prepared for the sticker shock.

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Customer reply replied 1 year ago
That is what I'm afraid of. As soon as the breaker kicks on in the brain box the Genny shuts down
RV Mechanic: Hank F., RV tech - emphasis on gensets replied 1 year ago

I don't know what you are calling a brain box.

Are you referring to the transfer switch?

If so, what all do you have on in the coach? You may just be overloading the genset.

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Customer reply replied 1 year ago
It is the transfer switch for shore power or gen power. There is nothing running in the MH. No load.
RV Mechanic: Hank F., RV tech - emphasis on gensets replied 1 year ago

If you have nothing on in the coach, then your inverter is bad.

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RV Mechanic: Hank F., RV tech - emphasis on gensets replied 1 year ago

was this what you wanted to know?

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Hank F.
Hank F.
Hank F., RV tech - emphasis on gensets
Category: RV
Satisfied Customers: 15,370
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Experience: RV tech since the beginning of the millenium.

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