CFW-11 | 6-5
Fault/Alarm Description Possible Causes
A152
Internal Air High
Temperature
Alarm indicating that the internal air temperature is
too high.
Note:
It may be disabled by setting P0353 = 1 or 3.
Defective internal fan (if existent) and high output current.
High temperature inside the cabinet (>45 °C (113 °F)).
F153
Internal Air
Overtemperature
Internal air overtemperature fault.
A156
(9)
Undertemperature
Only 1 sensor indicates temperature below -30 ºC
(-22 °F).
Surrounding air temperature ≤ -30 °C (-22 °F).
F156
Undertemperature
Undertemperature fault (below -30 °C (-22 °F)
(8)
) in
the IGBTs or rectifier measured by the temperature
sensors.
Surrounding air temperature ≤ -30 °C (-22 °F)
(8)
.
F160
Safety Stop Relays
Safety Stop relay fault.
One of the relays is defective or it does not have +24 Vdc
applied to its coil.
F161
Timeout PLC11 CFW-11
Refer to the PLC11-01 module programming manual.
A162
Incompatible PLC
Firmware
A163
AI1 Broken Wire
It indicates that the AI1 current signal (4-20 mA
or 20-4 mA) is out of the 4 to 20 mA range.
Broken AI1 cable.
Bad contact at the signal connection to the terminal strip.
A164
AI2 Broken Wire
It indicates that the AI2 current signal (4-20 mA
or 20-4 mA) is out of the 4 to 20 mA range.
Broken AI2 cable.
Bad contact at the signal connection to the terminal strip.
A165
AI3 Broken Wire
It indicates that the AI3 current signal (4-20 mA
or 20-4 mA) is out of the 4 to 20 mA range.
Broken AI3 cable.
Bad contact at the signal connection to the terminal strip.
A166
AI4 Broken Wire
It indicates that the AI4 current signal (4-20 mA
or 20-4 mA) is out of the 4 to 20 mA range.
Broken AI4 cable.
Bad contact at the signal connection to the terminal strip.
F174
(6)
Left Fan Speed Fault
Heatsink left fan speed fault.
Dirt on the blades and in the bearings of the fan.
Defective fan.
Defective fan power supply connection.
F175
(2)
Center Fan Speed Fault
Heatsink center fan speed fault.
Dirt on the blades and in the bearings of the fan.
Defective fan.
Defective fan power supply connection.
F176
Right Fan Speed Fault
Heatsink right fan speed fault.
Dirt on the blades and in the bearings of the fan.
Defective fan.
Defective fan power supply connection.
A177
Fan Replacement
Heatsink fan replacement alarm
(P0045 > 50000 hours).
Note:
This function may be disabled by setting P0354 = 0.
The maximum number of operating hours for the heatsink
fan has been reached.
F179
Heatsink Fan Speed
Fault
Heatsink fan speed feedback fault.
Note:
This function may be disabled by setting P0354 = 0.
Dirt on the blades and in the bearings of the fan.
Defective fan.
Defective fan power supply connection.
A181
Invalid Clock Value
Invalid clock value alarm.
It is necessary to set date and time at parameters from
P0194 to P0199.
Keypad battery is discharged, defective, or not installed.
F182
Pulse Feedback Fault
Indicates a fault at the feedback from the
output pulses.
No motor connected or the motor connected to the
inverter output is too small.
Possible defect on the internal circuits of the inverter.
Possible solutions:
Reset inverter and try again.
Set P0356 = 0 and try again.
F183
IGBT Overload +
Temperature
Overtemperature related to the IGBTs overload
protection.
High surrounding air temperature.
Operation with overload at frequencies below 10 Hz.
F185
Pre-charge Contactor
Fault
It indicates fault at the pre-charge contactor.
Pre-charge circuit defect.
F186
(3)
Sensor 1 Temperature
Fault
It indicates a temperature fault at the sensor 1.
Motor high temperature.
F187
(3)
Sensor 2 Temperature
Fault
It indicates a temperature fault at the sensor 2.
Motor high temperature.
F188
(3)
Sensor 3 Temperature
Fault
It indicates a temperature fault at the sensor 3.
Motor high temperature.
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