How do I remove the fan on Hitachi EC89 - Hitachi Air Tools & Compressors

canon leserjet lbp 3150 error de service e100 0000

it indicates that the start / run capacitors are failed
remove the power lead from the wall and get the details from the capacitor/s and go to a motor rewind shop and they will have replacement capacitors available
if you can take the capacitor/s with you it is even easier

I dont know what it cost new, but I dont think it cost as much as you are thinking. Here is a parts list an exploded diagram to replace parts. If the part is cheap enough then here is the link to it.
Hitachi EC89 4 Gallon Portable Twin Stack Air Compressor Parts

Its your reset button on the compressor that's bad! I have the exact same compressor (EC89) and it did the same thing! Compressor would run great for 15-20 seconds, then trip the reset button. I ordered a new reset button off e-bay, replaced it, and it works fine now. Good overall compressor! but has cheep china electronics installed. just replace the reset button and you will be good to go....cheep fix!!!

IF it is building up to the correct pressure then the pressure switch has malfunctioned. The part number for a new switch is 160580.

Parts and owners manuals are located at this link near the bottom of the page;

Hitachi EC89

Here is all that you need to know about your compessor (go to address below for manual). Good luck with your projects using your Hitachi compressor.


http://bigskytool.com/product/allpdfs/EC89_om.pdf

The early Hitachi EC89's came with a 40 microfarad capacitor to start the motor. This is insufficient when its cold, or the compressor hasn't been used in a while, or the compressor is still in its break-in period. Hitachi later changed it to a 60 microfarad capacitor, as it now is with the currently offered EC89's, which provides reliable and consistent starts of the electric motor. FYI: the capacitor is the white tube looking thing just under the black cover on the top side of the compressor. You can just see it without disassembling anything if you peek under the black cover to the best of your ability. To get at it you need to remove the black plastic cover. To do that, it takes about 20 minutes of disassembly time and a few tools: unplug the compressor, disconnect at least one end of the copper pressure tube (the tube that runs from the pump to the tank), remove the four main bolts that hold the black steel compressor base to the main frame, now you can get at the four phillips head screws that hold the plastic cover on, loosen (but don't remove) these four phillips head screws, then pop off the plastic cover (there are anti-vibration side locks that need to be disengaged- by using a long flat head screwdriver from the inside- to pry them and pop them off from the inside). Once the black cover is loose, you will either have to reach in and disconnect the two wires to the breaker, or unthread the breaker's little hex nut and separate it from the black cover. Replacing the 40 microfarad capacitor with a 60 microfarad capacitor (available at your local electric motor rebuilder- yellow pages) will resolve the problem of the weak starting motor that pops the breaker before the motor gets a chance to start rotating. Shame on Hitachi for not publishing this fix themselves.

I have had a Hitachi EC89 compressor for a couple years now. As an Mechanical Engineer with a minor in Electrical, I observe that the motor assembly/capacitor is undersized for the mechanical energy it is asked to produce upon start up. The motor consistently struggles to get up to speed, requiring too much electrical current and then the breaker pops, and you're back to time zero. And the cycle repeats. In other words, the fundamental EC89 design stinks and it should not have been released onto the market in this way. I replaced the capacitor on mine with a more robust G.E. version and it has improved, but fundamentally, there are not enough motor windings to get the system going good & strong, each and every time. Shame on you, Hitachi.

My vote, if it stopped working, yes it's done.

This compressor is small however like other brands in this size range draw 13 - 15 amps. Thats quite a bit of power. The compressor has a thermal breaker that will begin to trip if compressor is hot. I am assuming that the breaker that is tripping is the one on the compessor. I have seen many hitachi breakers fail. Easy to replace with generic 20 amp, cost about $10. Before you replace anything, check amp draw with meter, if within specs try to determine what is causing heat.
example:
cycling too many times per hour (check manual for recommended)
low power due to weak circuit or extension cord
using generator for powering compressor (not recommended)
using low quality oil (use synthetic if hot climate)
air leaking from intank checkvalve back to pump
If no reason to overheat then replace breaker on compressor to 20 amp but watch for overheating. Good luck