Operation
Page 41 of 58
057-281 ISSUE: 1
5.2.1 STATUS LED
An LED shows operating status of the A.V.R.
LED state
Cause
Possible Solution
Off
Running, or stationary
but powered by U.S.B.
N/A
Rapid Continuous
Flashing
Corrupt configuration
Write the configuration to the AVR again, if this
reoccurs the AVR is faulty and should be returned.
Single Flash
Start-up Failed Trip
(Voltage Feedback
Failed to Reach 70%
of
Set Point
)
Delayed by 10 seconds if the setup instructions
were correctly followed.
Increase
Maximum Duty Cycle
on the appropriate
stability menu by 50%.
This may require repeating depending on the duty
cycle the alternator needs.
Two Flashes
Over Excite Trip
Increase the
Over Excite Trip
on the Protections
menu by 50%.
This may require repeating depending on the
excitation voltage the alternator needs.
Three Flashes
Loss of Sensing
Check the feedback wiring as this indicates a loose
connection.
Four Flashes
Under Frequency Trip
Indicates the engine is not up to speed, check the
governor.
Five Flashes
Potentiometer Fault
Indicates that the potentiometer connected to
terminals P1 and P2 has become open circuit.
Steady
UFRO Active
Indicates the engine is not up to speed, check the
governor.
