KOBELCO
Dealer name: Rao Constructions Prepared by: Suresh Vishwkarma
Complain: Electric Problems
Machine Model: SK220xDLC-10 ( YQ15 -B6343 ) HMR: 12869 hours
Symptoms: the Display stays, on even after turning the key off
Application: stone work Attachment: Bucket
Trouble Shooting steps Data sheet/ Circuit ref./ Parts
Photo
1 Check the machine, the Current is reaching the
Display (monitor) even after the switch is off.
2 Display turns off when the relay is removed.
3 All fuses relay check, wiring check found ok
4 Suspected Alternator Regulator to not be working
properly.

Cause: Internal failure of regulator (faulty regular)
Correction: another alternator fitment for temporary
work
Trouble Shooting steps Data sheet/ Circuit ref./ Parts Photo
5 Took the Alternator of Another machine and
installed it in this machine (for checking
purpose)
6 After fitting this Alternator, Display turns on/off
as per the switch.
7. Advice the customer to Buy and Replace the
Regulator at the earliest, (proud)
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