Generator Set Control Panel for Switchgear Conversion Caterpillar


Accessing Diagnostic Information

Usage:

3412C 4BZ

Table 1
Troubleshooting Quick Reference    
Go To The Detected Diagnostics Section For Troubleshooting    
Action Alarm     CID 0271 Procedure    
CAT Data Link     CID 0248 Procedure    
+8 DCV Sensor Supply     CID 0263 Procedure    
Gauges     CID's 0096, 0100, 0102, 0110, 0172, 0175, 0263, 0460, 0821, 0827, 0828 Procedures    
Go To The Undetected Diagnostics Section For Troubleshooting    
Alert Indicator     Alert Indicator ALWAYS Flashes Procedure    
Alert Indicator     Alert Indicator NEVER Flashes Procedure    
LH/RH Switch     LH/RH Switch Doesn't Toggle    
SCROLL Switch     Scroll Switch Doesn't Toggle    
SCROLL Switch     Scroll Switch Continually Toggles    
CLEAR/MODE Switch     CLEAR/MODE Switch doesn't clear logged Diagnostic Codes and Tattletale values    
CLEAR/MODE Switch     CLEAR/MODE Switch automatically clears logged diagnostic codes and tattletale values    
Alarm Silence Switch     Alarm Silence Switch doesn't silence the Alarm    
Alarm Silence Switch     Alarm Silence Switch continually silences the Alarm    

Troubleshooting the Caterpillar Monitoring System requires additional information from the Engine Service Manual.

The Electronic Troubleshooting Guide, the Parts Manual, and the Operation And Maintenance Manual are required support material.

Perform resistance measurements at the connectors to locate harness problems. At component connectors, always check the ground circuit. Less than five ohms of resistance is required between the ground contacts of the connector and battery ground. Excessive ground resistance, greater than five ohms, can cause incorrect diagnosing of problems.

During troubleshooting, inspect all component connections and harness connections before any component is replaced. If these connections are not clean and tight, they can cause electrical problems, either permanent or intermittent. Check that the wires are pushed into the connectors all the way. Do a connector pull test or a wire pull test to confirm that the wire contact is snapped into place. Make sure the connections are tight before other tests are made.

Problems with one electrical component can cause problems with other electrical components. Always attempt to find and correct the cause of electrical system problems before replacing a component.

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