81O OVRFREQ ALARM
UnclassifiedCooling
What This Code Means
Under Voltage; Circuit Breaker OFF; Engine Shutdown; Over Voltage; Under Frequency; Over Frequency; Over Current; High Battery Voltage; Low Battery Voltage; Weak Battery Voltage; Low Fuel Level; Low Oil Pressure; High Coolant Temperature; Over Speed
Possible Causes
- •Under voltage occurs
- •Over voltage occurs
- •Frequency drops to set point: 54 Hz
- •Frequency reaches set point: 66 Hz
- •Overcurrent occurs
- •Battery voltage reaches set point: 15 V
- •Battery voltage drops to set point: 11 V
- •Battery voltage drops to set point: 8.5 V
- •Fuel level drops to set point: 20%
- •Fuel level drops to set point: 5%
- •Oil pressure drops to set point: 25 psi (172 kPa)
- •Oil pressure drops to set point: 7 psi (48 kPa)
- •Coolant temperature reaches set point: 200°F (93°C)
- •Coolant temperature reaches set point: 212°F (100°C)
- •Engine speed reaches set point: 2,070 rpm
Related Multiquip Fault Codes
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