WEG CFW100 Programming Manual page 18

Quick Reference of Parameters, Alarms and Faults
0
Fault / Alarm
F021
Undervoltage on the
DC Link
F022
Overvoltage on the DC
Link
F031
Fault of communication
with the accessory
F033
V V W Self-tuning Fault
F051
IGBTs Overtemperatures
F070
Overcurrent/Shortcircuit
F072
Motor Overload
F080
CPU Fault (Watchdog)
F081
Fault on the Save User
function
F082
Fault in the Copy
Function (MMF)
F084
Auto-diagnosis Fault
F091
External Fault
F228
Timeout in receipt of
telegrams
F233
No power supply on the
CAN interface
F234
Bus Off
0-12 | CFW100
Description
Undervoltage fault on the intermediate
circuit.
Overvoltage fault on the intermediate
circuit.
Main control cannot establish the
communication link with accessory.
Stator resistance setting fault P409.
Overtemperature fault measured on the
temperature sensor of the power pack.
Overcurrent or short-circuit on the
output, DC link or braking resistor.
Motor overload fault (60 s in 1.5xInom)
Fault related to the supervision
algorithm of the inverter main CPU.
Fault in the attempt to save the User
parameter table.
Fault in the copy of parameters.
Fault related to the automatic
identification algorithm of the inverter
hardware.
External fault via DIx ("No External
Fault" in P26x).
Indicates fault in the serial
communication. It indicates the
equipment stopped receiving valid serial
telegrams for a period longer than the
setting in P314.
It indicates that the CAN interface has no
power supply between pins 1 and 5 of
the connector.
Buss off error detected on the CAN
interface.
Wrong voltage supply; check if the data on the inverter label
„
comply with the power supply and parameter P296.
Supply voltage too low, producing voltage on the DC link below
„
the minimum value (in P004):
Ud < 200 Vdc in 200 / 240 Vac.
Phase fault in the input.
„
Fault in the pre-charge circuit.
„
Wrong voltage supply; check if the data on the inverter label
„
comply with the power supply and parameter P296.
Supply voltage is too high, producing voltage on the DC link
„
above the maximum value (in P004):
Ud > 410 Vdc in 200 / 240 Vac.
Load inertia is too high or deceleration ramp is too fast.
„
P151 setting is too high.
„
Accessory damaged.
„
Poor connection of the accessory.
„
Problem in the identification of the accessory; refer to P027.
„
Stator resistance value in P409 does not comply with the
„
inverter power.
Motor connection error; turn off the power supply and check
„
the motor terminal box and the connections with the motor
terminals.
Motor power too low or too high in relation to the inverter.
„
High temperature at IGBTs (P030 > 120 °C).
„
High ambient temperature around the inverter (>50 °C (>122 °F))
„
and high output current.
Blocked or defective fan.
„
Heatsink is too dirty, preventing the air flow.
„
Short-circuit between two motor phases.
„
IGBTs module in short-circuit or damaged.
„
Start with too short acceleration ramp.
„
Start with motor spinning without the Flying Start function.
„
P156 setting is too low in relation to the motor operating current.
„
Overload on the motor shaft.
„
Electric noise.
„
Inverter firmware fault.
„
Attempt to save (P204 = 9) more than 32 parameters (with values
„
different from the factory default) on the User parameter table.
The function Saves User is blocked.
„
Attempt to copy the parameters from the Flash Memory Module
„
to the inverter with different software versions.
Poor contact in the connection between the main control an
„
the power pack.
Hardware not compatible with the firmware version.
„
Defect on the internal circuits of the inverter.
„
Wiring on DI1 to DI4 inputs are open or have poor contact.
„
Check network installation, broken cable or fault/poor contact
„
on the connections with the network, grounding.
Ensure the master always sends telegrams to the equipment
„
in a time shorter than the setting in P314.
Disable this function in P314.
„
Measure if there is voltage within the allowed range between
„
pins 1 and 5 of the CAN interface connector.
Check if the power supply cables are not misconnected or
„
inverted.
Check for contact problems on the cable or connector of the
„
CAN interface.
Check for short circuit on the CAN circuit transmission cable.
„
Check if the cables are not misconnected or inverted.
„
Check if all the network devices use the same baud rate.
„
Check if the termination resistors with the right specification
„
were installed only at the end of the main bus.
Check if the CAN network was properly installed.
„
Return Advance
Possible Causes