OPERATION 3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS Fault No. 662: (665) $h: High pressure filter 2 or pump 2 restricted. Stop the engine 1 Differential pressure switch B6-1 not closed or chip indica- tor B10B-1 closed. - Clean or replace filter element. - Check pump Help: Fault No. 668: (671) $h: High pressure filter 3 or pump 3 restricted. Stop the engine 1 Differential pressure switch B7-1 not closed or chip indica- tor B10C-1 closed. - Clean or replace filter element. - Check pump Help: Fault No. 674: (677) $h: High pressure filter 4 or pump 4 restricted. Stop the engine 2 Differential pressure switch B5-2 not closed or chip indica- tor B10A-2 closed.
- Clean or replace filter element. - Check pump Help: Fault No. 680: (683) $h: High pressure filter 5 or pump 5 restricted. Stop the engine 2 Differential pressure switch B6-2 not closed or chip indica- tor B10B-2 closed. - Clean or replace filter element. - Check pump. Help: Fault No. 686: (689) $h: High pressure filter 6 or pump 6 restricted. Stop the engine 2 Differential pressure switch B7-2 not closed or chip indica- tor B10C-2 closed. - Clean or replace filter element. - Check pump. Help: Fault No. 692: (695) $h: Help: Fault No. 698: (701) $h: Shut down of engine 2: coolant pressure at low idle too low Help: Message through switch B56-2. 163