Caple use and maintenance Especificações descarregar pdf (Página 29)

744-862-C0-003 Rev.C

Engine Control Module (ECM)

3.3 Alarm and Notification Indications

Alarms are indicated in three ways: ECM LEDs, RS-485 communications

and alarm contact closures on ECM transponder interface. Alarm indication

on the ECM LEDs is obtained by pressing the service reset button

momentarily and noting the combination of illuminated LEDs. Pressing the

service reset switch again will reveal the next alarm in the list. When the

alarm list has been exhausted, all LEDs will flash several times and then

return to their normal functions. Placing the RAS switch in the STOP

position for three (3) seconds, then switching back to AUTO will clear

any latched alarms and start the generator if the cause of the alarm

has been corrected. The following figure shows the LED patterns and the

alarms they represent:

1. Low Oil Pressure (LO)*

2. Engine Over-Temp (OT)

3. Engine Over-Speed (OS)*

4. Engine Over-Crank (OC)*

Alternator Over-Volt (OV)*

6. Gas Hazard (GH)*

7. Water Intrusion (WI)

8. Pad Shear (PS)*

9. Low Fuel Pressure (LP)***

10. Control Fail (CF)***

11. Alternator OFF (AO)

12. Self-Test Fail (TF)*

13. Low Ignition Battery (IB)

14. Auto-mode Disabled (AD)

15. Tamper (TP)

16. DC Bus fault (DC)

17. Engine Disable (ED)

18. Line Failure (LF)**

19. Service Required (SR)**

Legend: * = Latching Alarm

** = Notifications

*** = Alarm “latches” after 5 activations

(LEDs as displayed on the ECM)

Major Alarms

Abbreviation

Major

Minor

Notify

Comm

System

123456789

LO OT OS OC GH WI PS LPOV

Major Alarms

Abbreviation

Major

Minor

Notify

Comm

System

10 11 12 13 14 15 16 17 18

CF AO TF IB TP DC ED LFAD

Fig. 3-1 Major, Minor Alarm Indications, and Notifications

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 49 50

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Caple use and maintenance Especificações Página 29

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