STOP FAILURE

Possible Causes

• •System continues to detect any engine running condition for 90 seconds after programmed stopping conditions are present
• •Engine continues running or is detected as running after the stopping cycle has completed (following the cooling time and PC output activation/deactivation)
• •Engine running condition of 'started engine' is detected after the designated stop cycle period has elapsed
• •Engine running condition is still detected for 90 seconds after programmed stopping conditions are present
• •Voltage values drop below limits defined in Thresholds table parameter 3 during the period defined by alarms table parameter 62
• •Genset frequency values are kept under the minimum programmed limits (Thresholds table parameter 6) during the stabilization time (alarms table parameter 65)
• •Controller does not detect all engine starting conditions (regulations table parameters 19 to 22) while the engine is running
• •Engine conditions (regulations table parameters 19 to 22) are not detected 15 seconds after a stop attempt
• •Engine running condition is still detected for 90 seconds after a stop command is initiated
• •Genset phase voltage drops below the thresholds defined in Thresholds table parameter 3
• •Genset frequency values remain below the thresholds defined in Thresholds table parameter 6 during the stabilization time programmed in Alarms table parameter 65
• •The controller does not detect all engine starting conditions (regulations table parameters 19 to 22) while the engine is running
• •All engine stop conditions (regulations table parameters 19 to 22) are not detected 15 seconds after an engine stop attempt
• •Engine fails to shut down after the stop cycle is initiated

Suggested Actions

1. 1Configure alarm (alarms table parameter 63) to carry out stop with engine cooling
2. 2Configure alarm (alarms table parameter 66) to carry out stop with engine cooling
3. 3Disconnect the stop failure alarm (alarms table parameter 70) so the device will consider the engine stopped after waiting the maximum time of 15 seconds
4. 4Ensure all stopping conditions are detected during the programmed time (alarms table parameter 71) to properly detect engine stop
5. 5Stop engine with cooling (automatically triggered action configured by alarms table parameter 63)
6. 6Stop engine with cooling (automatically triggered action configured by alarms table parameter 66)
7. 7Disconnect the stop failure alarm (alarms table parameter 70) to allow the device to consider the engine stopped after waiting a maximum of 15 seconds
8. 8Ensure all engine stopping conditions are detected during the programmed time (alarms table parameter 71)

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