LOP SWITCH
UnclassifiedLubrication
What This Code Means
Enclosure door is open; Evidence of unauthorized access to the generator set; Low oil pressure for more than 5 seconds; Engine Oil Pressure Low; Low fuel pressure; Fuel Pressure Low; Exercise not scheduled; Exer Not Sch; Low cranking voltage; Battery voltage falls below 8 VDC for more than 6 seconds while the starter is engaged; Lo Crank Vlt; No engine rotation is sensed during cranking; Locked Rotor; Main power overload; Over current fault on the controller output (short circuit); MainPwrOverL Shutdown; The LOP switch indicates low oil pressure for more than 5 seconds.
Possible Causes
- •Enclosure door is open
- •LOP switch indicates low oil pressure
- •Low oil level
- •Leaks in the lubrication system
- •Fuel supply issue
- •Fuel line issue
- •No exercise is scheduled on the controller.
- •Low battery voltage
- •Battery issue
- •Loose connections
- •Short circuit on controller output
Suggested Actions
- 1Check for evidence of unauthorized access to the generator set.
- 2Close and lock the enclosure door.
- 3Check the engine oil level regularly as recommended in Section 4.
- 4Check for leaks in the lubrication system.
- 5Check the oil level and add oil if the level is low.
- 6Check fuel supply and fuel lines.
- 7See Section 3.6 for instructions to set the exerciser.
- 8Charge or replace the battery.
- 9Check the battery.
- 10Check for loose connections.
- 11Contact an authorized distributor/dealer for service.
Related Rehlko Fault Codes
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