Komatsu FB15-12
Err14-8120
Err18-8120
Err30-8120
Err40-8120
?p??e?te ?a ß????sete?

Hi saeidm , I have the same errors , have you found a solution?

Hy I have komatsu electric forklift we face some error codes can you mail me error codes list. Thanks

komatsu FB15-12
error 40-8120
error 40-8140
error 40-8510
This device displays these error messages for no reason
please help

Hello, we are having Komatsu make reach truck, but since this is too old i am not able to find teh model & serial number of the same. Now I am facing E10 error on this machine. Except drive all functions are working. Can some one help me to solve the problem

hello
I need help for KOMATSU FB25H-1E year:1995???

there is always:F41 on dash display???
I check all wiring and power component (SCR&capacitor)
it means leakage of negative battery to frame!

really when i remove power steering and pump cable,the leakage decrease to 12V (between positif batery and frame) but even this solution the dash display fault F41(unsafe case).in the past i repaired this forklift and the truck move even with this fault F41,now,the fail safe circuit open direction contactors with arkin.
I don't found F33 fault that appear in the display?
I Change all necessary thristors (main SCR1,SCR2,SCR3)but i don't change commutation capacitor (i check the commutation capacitor,its ok).there is option potentimeter in serial with thermal switch,i check his value i found 5ko (in the drawing it writen 10ko!!)
also i give 80Volts in the illumination wire of dash display and it illuminate few second and return black.can be damged
can anybody help me
BEST REGARDS.

Thank You

Appreciated greatly. Will let you know when i receive it.

Hello Elektrodrive,
I will send you an email with the fault code of an Komatsu FB15R-8. I hope it can help you.