WEG CFW-11 Series User Manual page 70

Fault/Alarm
A152: Alarm indicating that the internal air
Internal Air High temperature is too high.
Temperature Note:
It may be disabled by setting P0353=1 or 3.
F153: Internal air overtemperature fault.
Internal Air
Overtemperature
F156: Undertemperature fault (below -30 °C
Undertemperature (-22 °F)) in the IGBTs or rectifier measured by
the temperature sensors.
F160: Safety Stop relay fault.
Safety Stop Relays
F161: Refer to the PLC11-01 module programming manual.
Timeout PLC11
CFW-11
A162:
Incompatible PLC
Firmware
A163: It indicates that the AI1 current signal (4-20 mA
AI1 Broken Wire or 20-4 mA) is out of the 4 to 20 mA range.
A164: It indicates that the AI2 current signal (4-20 mA
AI2 Broken Wire or 20-4 mA) is out of the 4 to 20 mA range.
A165: It indicates that the AI3 current signal (4-20 mA
AI3 Broken Wire or 20-4 mA) is out of the 4 to 20 mA range.
A166: It indicates that the AI4 current signal (4-20 mA
AI4 Broken Wire or 20-4 mA) is out of the 4 to 20 mA range.
F174: Heatsink left fan speed fault.
(6)
Left Fan Speed Fault
F175: Heatsink center fan speed fault.
(2)
Center Fan Speed Fault
F176: Heatsink right fan speed fault.
Right Fan Speed Fault
A177: Heatsink fan replacement alarm
Fan Replacement (P0045 > 50000 hours).
Note:
This function may be disabled by setting
P0354=0.
F179: Heatsink fan speed feedback fault.
Heatsink Fan Speed Note:
Fault This function may be disabled by setting
P0354=0.
A181: Invalid clock value alarm.
Invalid Clock Value
F182: Indicates a fault at the feedback from the
Pulse Feedback Fault output pulses.
F183: Overtemperature related to the IGBTs overload
IGBT overload + protection.
Temperature
F186: Temperature fault detected at the sensor 1.
(3)
Temp. Sensor 1 Fault
F187: Temperature fault detected at the sensor 2.
(3)
Temp. Sensor 2 Fault
F188: Temperature fault detected at the sensor 3.
(3)
Temp. Sensor 3 Fault
F189: Temperature fault detected at the sensor 4.
(3)
Temp. Sensor 4 Fault
F190: Temperature fault detected at the sensor 5.
(3)
Temp. Sensor 5 Fault
Table 6.1 (cont.) - Faults, alarms and possible causes
Description
Troubleshooting and Maintenance
Possible Causes
Defective internal fan (if existent) and high output current.
High temperature inside the cabinet (>45 °C (113 °F)).
Surrounding air temperature ≤ -30 °C (-22 °F).
One of the relays is defective or it does not have +24 V applied
to its coil.
Broken AI1 cable.
Bad contact at the signal connection to the terminal strip.
Broken AI2 cable.
Bad contact at the signal connection to the terminal strip.
Broken AI3 cable.
Bad contact at the signal connection to the terminal strip.
Broken AI4 cable.
Bad contact at the signal connection to the terminal strip.
Dirt on the blades and in the bearings of the fan.
Defective fan.
Defective fan power supply connection.
Dirt on the blades and in the bearings of the fan.
Defective fan.
Defective fan power supply connection.
Dirt on the blades and in the bearings of the fan.
Defective fan.
Defective fan power supply connection.
The maximum number of operating hours for the heatsink fan
has been reached.
Dirt on the blades and in the bearings of the fan.
Defective fan.
Defective fan power supply connection.
It is necessary to set date and time at parameters from P0194 to
P0199.
Keypad battery is discharged, defective, or not installed.
Please contact WEG Service.
High surrounding air temperature.
Operation with overload at frequencies below 10 Hz.
Motor high temperature.
Motor high temperature.
Motor high temperature.
Motor high temperature.
Motor high temperature.
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