WEG CFW-11 User Manual - page 84
Troubleshooting and Maintenance
6
CFW-11 | 6-5
Fault/Alarm
Description
Possible Causes
F161
Timeout PLC11CFW-11
Refer to the PLC11-01 Module programming manual.
A162
Incompatible PLC
Firmware
A163
Break Detect AI1
It indicates that the AI1 current (4-20 mA or 20-4
mA) reference is out of the 4 to 20 mA range.
Broken AI1 cable.
Bad contact at the signal connection to the terminal strip.
A164
Break Detect AI2
It indicates that the AI2 current (4-20 mA or 20-4
mA) reference is out of the 4 to 20 mA range.
Broken AI2 cable.
Bad contact at the signal connection to the terminal strip.
A165
Break Detect AI3
It indicates that the AI3 current (4-20 mA or 20-4
mA) reference is out of the 4 to 20 mA range.
Broken AI3 cable.
Bad contact at the signal connection to the terminal strip.
A166
Break Detect AI4
It indicates that the AI4 current (4-20 mA or 20-4
mA) reference is out of the 4 to 20 mA range.
Broken AI4 cable.
Bad contact at the signal connection to the terminal strip.
A177
Fan Replacement
Heatsink fan replacement alarm (P0045 > 50000
hours).
Note:
This function may be disabled by setting P0354 = 0.
Maximum number of operating hours for the heatsink fan has
been reached.
A178
Heatsink Fan Speed
Alarm
This alarm indicates a problem with the heatsink fan.
Dirt on the blades and in the bearings of the fan.
Defective fan.
Defective fan power supply connection.
F179
Heatsink Fan Speed
Fault
Heatsink fan speed feedback fault.
Note:
This function may be disabled by setting P0354 = 0.
Dirt at the heatsink fan blades and ball bearings.
Heatsink fan defect.
Defective fan power supply connection.
A181
Invalid Clock Value
Invalid clock value alarm.
It is necessary to set date and time at parameters P0194 to
P0199.
Keypad battery is discharged, defective, or not installed.
F182
Pulse Feedback Fault
Indicates a fault on the output pulses feedback.
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.
Surrounding air temperature too high.
Operation with overload at frequencies below 10 Hz –
consider the
values according to the used switching frequency.
F185
Pre-charge Contactor
Fault
Fault in the pre-charge contactor circuit.
Open command fuse. Refer to
Fuses of Pre-Charge Circuit on page 3-19
.
Phase loss at the input in L1/R or L2/S.
Defect in the pre-charge contactor and/or related circuit.
Inverter CFW11 frame size E powered by DC Link: P0355
should be programd to 0.
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.
F188
(3)
Sensor 3 Temperature
Fault
It indicates a temperature fault at the sensor 3.
F189
(3)
Sensor 4 Temperature
Fault
It indicates a temperature fault at the sensor 4.
F190
(3)
Sensor 5 Temperature
Fault
It indicates a temperature fault at the sensor 5.