We recently purchased 6 Trailblazer 325 units all this year. We are upgrading our fleet from bobcat unit to eliminate the drain on unit when welding and using 120 power for other projects. So far we have had nothing but problems with these units the first 2 units both with under 50hrs continue to have tmp1 errors. I believe this is due to inefficient airflow and construction of unit. I think the tmp1 Error is notification a thermal overload switch has opened. of the 2 units one we have been able to utilize with a fan constantly running on unit. the other still suffers and continues to have Problems ( it is located in Texas with higher Outside Temperatures ). The older bobcat units ran for years and all had around 2k hrs with no issues. Please let me know if this issue is being addressed. There should be a recall on this product and a revamping of design to improve airflow. Very Frustrated with performance. Don't want to return them yet just want issue resolved.
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Thread: Trailblazer 325 tmp1 error
09-01-2014, 04:53 AM #1Junior Member
- Join Date
- Sep 2014
Trailblazer 325 tmp1 error
09-01-2014, 01:09 PM #2Senior Member
- Join Date
- Nov 2012
- Northern Arizona
There are lots of threads here about that machine overheating. I'm sure you can find those through a search. Cruiser will want your serial numbers so he can look up specifics of the machine.
It is also worth a call to the miller support number if you haven't done that yet.MillerMatic 251
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09-01-2014, 02:35 PM #3Senior Member
- Join Date
- Apr 2009
- Oswego IL
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09-01-2014, 07:04 PM #4
Run em at high idle, this is the only way to cool components off on a hot day. kinda takes away from the low idle fuel savings. What we've been doing is removing the air clean plastic cover, removing the power robbing foam element from the air cleaner, blocking the air flywheel port, and propping open the top cover. This allows more cooling air to flow over the engine fins. So the engine cools better, and the air moves better to cool the rectifiers, boards and windings. Plus the engine isn't ingesting super heated air.
Really its an interesting design, but not a well thought out one for the high heat, or even low cold areas. I never particularly liked them, nor do I see many around anymore.