Doosan D55C-5 - Page 248

D439E Service Manual 5. Service Tool
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4. Check the ‘Test Result’ shown on the test result window.
<Figure 5: STEP-A Result>
No Error Found : Proceed another test of 16-pin DLC cable; begin the “STEP-B” test.
Error Found : G-scan main module may be inoperative. Contact the authorized service provider