ALTERNATOR GP-CHARGING 1860100 - Caterpillar

Indications and System Response
Message
Table 1
OPERATION    
Warning Level     (Warning Indications)    "Operator Action Required"     (Possible Result) (1)    
"Action Lamp Status" "Action Alarm Status"    
1     Steady ON     OFF     No immediate action is required. The system needs attention soon.     No damage will occur to the machine. Minor reductions in machine performance may occur.    
2     Intermittent ON     OFF     Change machine operation or perform maintenance to the system.     Severe damage to components can occur.    
2+     Intermittent ON     Steady ON     Change machine operation or perform maintenance to the system.     Severe damage to components can occur.    
3     Intermittent ON (Amber)
Steady ON (Red)     Intermittent ON     Immediately perform a safe engine shutdown.     Injury to the operator or severe damage to components can occur.    
( 1 ) This is the possible result, if the operator takes no action.PLUS+1 Service Tool for Caterpillar
When an abnormal operating condition occurs, the status screen on the PLUS+1 Service Tool indicates that there is an active event.Event codes are displayed on PLUS+1 Service Tool in the following format:EXXXX - Description of the codeThe "E" means that the code is an event code. The "XXXX" is a numeric identifier. The numeric identifier is followed by a description of the code. Active event codes are listed in ascending numerical order. The code with the lowest number is listed first. The active event code is removed from the list when the condition is no longer present.Logged Event Codes
Some event codes are logged in the ECM memory. Some event codes are active only. The logged event codes are listed in chronological order. The most recent code is listed first.A logged code is cleared from memory when one of the following conditions occur:
The service technician manually clears the code.
A new code is logged and there are already ten logged codes in memory. In this case, the oldest logged code is cleared.Note: Always clear logged event codes after investigating and correcting the problem which generated the code.Troubleshooting
Perform the following steps in order to troubleshoot an event:
Obtain the following information from the operator:
The event and the time of the event
Determine the operating conditions of the engine at the time of the event. Conditions such as engine RPM and load may be important.
Determine if there are any systems that were installed by the dealer or by the customer that could cause the event.
Some of the events below can become active during normal system operation. Verify that the event is not due to error of the operator.
Check all fluid levels and all oil levels.
Troubleshoot and repair any active diagnostic codes. ECM Event Code List
The following table lists the event codes that apply to the control system. The recommended response is listed. Use the PLUS+1 Service Tool in order to determine the event codes that are active or logged.
Table 2
Event Codes    
Code    Level    Description    Machine Response/Possible Cause    
E17     1