GE Industrial Solutions AF-600 FP High Power (460V_575V 150HP and above) - Manual (Page 53)

LED indication
Warning yellow
Alarm flashing red
Trip locked yellow and red
WARNING 1, 10 volts low
The control card voltage is below 10 V from terminal 50.
Remove some of the load from terminal 50, as the 10 V supply is overloaded. Max. 15 mA or minimum 590 Ω.
This condition can be caused by a short in a connected potentiometer or improper wiring of the potentiometer.
Troubleshooting: Remove the wiring from terminal 50. If the warning clears, the problem is with the customer wiring. If the warning does not clear, replace the
control card.
WARNING/ALARM 2, Live zero error
This warning or alarm will only appear if programmed by the user in par. AN-01 Live Zero Timeout Function. The signal on one of the analog inputs is less than
50% of the minimum value programmed for that input. This condition can be caused by broken wiring or faulty device sending the signal.
WARNING/ALARM 3, No motor
No motor has been connected to the output of the frequency converter. This warning or alarm will only appear if programmed by the user in par. H-80 Function
at Stop.
Troubleshooting: Check the connection between the frequency converter and the motor.
WARNING/ALARM 4, Mains phase loss
A phase is missing on the supply side, or the mains voltage imbalance is too high. This message also appears for a fault in the input rectifier on the frequency
converter. Options are programmed at par. SP-12 Function at Line Imbalance.
Troubleshooting: Check the supply voltage and supply currents to the frequency converter. See Section 5.1.2 for troubleshooting details.
WARNING 5, DC link voltage high
The intermediate circuit voltage (DC) is higher than the high voltage warning limit. The limit is dependent on the frequency converter voltage rating. The frequency
converter is still active.
See ratings table in Section 1.9 for the voltage limits.
WARNING 6, DC link voltage low
The intermediate circuit voltage (DC) is lower than the low voltage warning limit. The limit is dependent on the frequency converter voltage rating. The frequency
converter is still active.
See ratings table in Section 1.9 for the voltage limits.
WARNING/ALARM 7, DC overvoltage
If the intermediate circuit voltage exceeds the limit, the frequency converter trips after a time.
Troubleshooting:
Connect a brake resistor
Extend the ramp time
Change the ramp type
Activate functions in par. B-10 Brake Function
Increase par. SP-26 Trip Delay at Drive Fault
See ratings table in Section 1.9 for the voltage limits. See Section 5.1.1 for troubleshooting details.
WARNING/ALARM 8, DC undervoltage
If the intermediate circuit voltage (DC) drops below the undervoltage limit, the frequency converter checks if a 24 V backup supply is connected. If no 24 V backup
supply is connected, the frequency converter trips after a fixed time delay. The time delay varies with unit size.
See ratings table in Section 1.9 for the voltage limits.
WARNING/ALARM 9, Inverter overloaded
The frequency converter is about to cut out because of an overload (too high current for too long). The counter for electronic, thermal inverter protection gives a
warning at 98% and trips at 100%, while giving an alarm. The frequency converter cannot be reset until the counter is below 90%.
The fault is that the frequency converter is overloaded by more than 100% for too long. Note: See the derating section in the Design Guide for more details if a
high switch frequency is required.
WARNING/ALARM 10, Motor overload temperature
According to the electronic thermal protection Electronic Thermal Overload, the motor is too hot. Select whether the frequency converter should give a warning
or an alarm when the counter reaches 100% in par. F-10 Electronic Overload . The fault is that the motor is overloaded by more than 100% for too long.
AF-650 GP and AF-600 FP High Power Service Manual
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