Onan Marine Diesel Generator Troubleshooting Guide

The manual states to bring your generator to your trusty onan dealer to fix.

Onan marine diesel generator troubleshooting guide.

Each cummins generator has a model spec number description which is shown on the serial number tag attached to the generator. Have started having problems with the generator. The mat sender has an open or short circuit in it and it may be beyond your abilities to fix yourself. At least one week prior to trip or guest arrival visit your boat review your cummins onan marine operators manual and perform all necessary services filters zinc s belts etc.

Take a look at the information below and you could take care of the issue of onan generator starts then shuts down in no time. This article will guide you to know about the common faults and troubleshooting of cummins engine. Note the highlighted letter code in this case p which denotes the specification type of the particular generator which can then be referred to as spec p. View download of more than 243 onan pdf user manuals service manuals operating guides.

Fortunately troubleshooting onan generator is not a difficult task so as long as you could grasp the fundamentals everything would turn out to be fine. Portable generator engine user manuals operating guides specifications. Portable generator engine inverter battery charger switch. Code 54 mat sender.

Before installing i blew the radiator out with air as well as flushing it changed the oil and filter using onan oil and air filter. Code 56 map sender. While this troubleshooting guide is applicable to most makes of rv gen sets there are many specific refer ences to particular onan models as these widely used rv generators are the brand we flight systems provide replacement control boards voltage regulators and test equipment the g man for. It has run without a problem since i installed in the bus over a year ago with only 190 hrs on it came out of a 2007 motorhome.

Should maintenance be required depending on the season local service centers may have a couple days wait for technician availability. Diagnosis and treatment of engine starting difficulty or failure to start and exhaust pipe emitting a large amount of ash and white smoke. What you need to keep in mind. Here is a representation of the tag on onan qg 4000.