P1-24
What This Code Means
LWT/auxiliary lamp flashing; No AC output while unit is running (except during first 10 seconds after start-up); Battery power was reconnected; Battery was low and then came back up while the generator master switch was in the RUN or AUTO position; LWT/auxiliary lamp lights and unit shuts down immediately; LWT/auxiliary lamp lights; Engine shuts down 5 seconds after fault occurs; Engine shuts down immediately; Engine shuts down; Lamp lights; Shuts down due to overspeed condition; Generator set will not start; Generator set stops running due to a fault shutdown; Fault lamp lit; High Engine Temperature Lamp Lights; Low Oil Pressure Lamp Lights; Overspeed Lamp Lights; Overcrank Lamp Lights; Overcrank Lamp Flashes; Auxiliary Lamp Flashes; Auxiliary Lamp Lights; Emergency stop; Overspeed fault; Overvoltage fault; Engine speed drops below 13 Hz; Decreased engine speed
Possible Causes
- •Activated by customer-supplied sensing devices connected to auxiliary immediate shutdown ports (P1-17 and P1-18)
- •Auxiliary delay shutdown (P1-15) faults
- •Battery is weak or undersized for the application
- •Continuous cranking is more than 45 seconds
- •Controller senses no AC output
- •Cooling system malfunction
- •Cyclic cranking is more than 75 seconds
- •Engine coolant water temperature is low (if sensor equipped)
- •Engine low water temperature (P1-24) condition occurs
- •Engine low water temperature condition
- •Governed frequency exceeding 70Hz
- •Governed frequency is in excess of 70Hz
- •High engine temperature
- •High oil temperature (P1-13)
- •Locked rotor
- •Low coolant level (P1-14)
- •Low oil pressure
- •Optional emergency stop switch is activated
- •Optional emergency stop switch is reset while the generator master switch is in the AUTO or RUN position
- •Overspeed
- •Overvoltage condition arises
- •Temporarily low battery condition
Suggested Actions
- 1(if equipped)
- 2(if sensor equipped)
- 3Generator set will attempt to restart if the engine speed drops below 13 Hz
- 4Lamp indicates that engine air damper is closed; lamp remains lit until air damper is manually reset
- 5No manual reset is required.
- 6Place the generator master switch in the OFF/RESET position to clear this condition.
- 7Place the master switch in the OFF/RESET position to clear this condition.
- 8Refer to the Engine Service Manual for detailed information on correcting engine related faults
- 9Reset the set after a fault shutdown (see Section 2—Operation)
- 10See Section 1—Specifications for specific model
Related Rehlko Fault Codes
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