• Thank you for visiting HeavyEquipmentForums.com! Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. We welcome you to register using the "Register" icon at the top of the page. We'd appreciate any help you can offer in spreading the word of our new site. The more members that join, the bigger resource for all to enjoy. Thank you!

Komatsu Pc 220 LC-6 Fuse /Error Code ?

W

w38571

Well-Known Member
Joined
May 24, 2011
Messages
62
Location
TN.
On a 220LC-6, the front 10amp fuse blows & an error code of E-02 has come up. The T /H won't swing or get above an idle. It done this last year & we found naked wire on the fuel solenoid, repaired that & by-passed the monitor with the toggle switch. ( Was done by Komatsu Dealer Mechanic) Boy that got expensive !
Got a suggestion where to start looking on a E-02 error ?
 
W

w38571

Well-Known Member
Joined
May 24, 2011
Messages
62
Location
TN.
Should've also said, we have unplugged the fuel solenoid & replaced the fuse. Turned the switch on (not to start) & it blowed the fuse again
 
nowing75

nowing75

Senior Member
Joined
Aug 5, 2009
Messages
898
Location
coatesville indiana
Found this not sure if it will helphttp://www.justanswer.com/construction-and-road-equipment/70jy7-error-code-02-means-pc-200-6-komatsu-monitor.html
 
John C.

John C.

Senior Member
Joined
Jun 11, 2007
Messages
12,870
Location
Northwest
Occupation
Machinery & Equipment Appraiser
Do you have the Cummins or the original Komatsu engine? Multiple valve covers is the Cummins, single valve cover is the Komatsu.
 
W

w38571

Well-Known Member
Joined
May 24, 2011
Messages
62
Location
TN.
Have narrowed it down to the 2-stage relief solenoid valve. Unplug the valve & wont blow fuse & all functions working.
 
John C.

John C.

Senior Member
Joined
Jun 11, 2007
Messages
12,870
Location
Northwest
Occupation
Machinery & Equipment Appraiser
You can check the coil with an ohm meter. Should have about 3 or more ohms resistance. You can remove the coil from the valve and source it outside of the Komatsu parts system if you want. Komatsu dealer people will likely tell you to buy the whole valve. I used to get them through Spenser Fluid Systems. There are a bunch of diodes in that machine as well. If you have problems after replacing the coil let us know. I can probably find which diode is blown and where it is located.
 
W

w38571

Well-Known Member
Joined
May 24, 2011
Messages
62
Location
TN.
John C. said:
You can check the coil with an ohm meter. Should have about 3 or more ohms resistance. You can remove the coil from the valve and source it outside of the Komatsu parts system if you want. Komatsu dealer people will likely tell you to buy the whole valve. I used to get them through Spenser Fluid Systems. There are a bunch of diodes in that machine as well. If you have problems after replacing the coil let us know. I can probably find which diode is blown and where it is located.
Click to expand...


Thanks will do.
 
You must log in or register to reply here.
Top