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Bảng Tra Lỗi Biến Tần Inverter Error Fuji Frenic ACE

Code Name Description 
OH1 Heat sink overheat Heat sink temperature increased to the trip level.
OH2 Enable external alarm trip An error that has occurred in peripheral equipment
turned the external alarm signal THR ON.
OH3 Inverter internal overheat The temperature inside the inverter abnormally has
increased.
dbH Braking resistor overheat Estimated temperature of the coil in the braking
resistor exceeded the allowable level.
OL1 to OL2 Overload of motor 1 to 2 Motor temperature calculated with the inverter output
current reached the trip level.
Er4 Option communications error Communications error between the inverter and an
option
Er5 Option error An option judged that an error occurred
Ert Built-in CAN communications link
error		 Error generated in built-in CAN communications link
Er8
ErP		 RS-485 communications error
(COM port 1, 2)		 RS-485 communications error between the COM
ports 1 and 2.
CoF PID feedback wire break The PID feedback signal wire(s) is broken.
FAL Detect DC fan lock Failure of the air circulation DC fan inside the inverter
OL Motor overload early warning Early warning before a motor overload
OH Heat sink overheat early warning Early warning before a heat sink overheat trip
LiF Lifetime alarm It is judged that the service life of any one of the
capacitors (DC link bus capacitors and electrolytic
capacitors on the printed circuit boards) and cooling
fan has expired.
Or, failure of the air circulation DC fan inside the
inverter.
rEF Reference loss Analog frequency command was lost.
Pid PID alarm Warning related to PID control (absolute-value alarm
or deviation alarm)
UrC Low output torque detection Output torque drops below the low torque detection
level for the specified period.
PrC PTC thermistor activated The PTC thermistor on the motor detected a
temperature.
rrE Inverter life (Cumulative run time) The motor cumulative run time reached the specified
level.
CnF Inverter life (Number of startups) Number of startups reached the specified level.

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