Fault Messages - BIG ASS FANS 4900 Manuel D'installation

Fault messages

Error Code Description and Corrective Action
High Temperature Fault
Check for excessive load or a dirty heatsink. Improve the drive cooling ability.
Assertion Level Fault
Check the assertion level switch relative to P120.
Personality Fault
Drive hardware error
Cycle power, and then reprogram EPM. If the fault will not clear, replace the drive and EPM.
Control Fault
Drive hardware error
Cycle power, and then reprogram EPM. If the fault will not clear, replace the drive and EPM.
Incompatible EPM Fault
Drive hardware error
Cycle power, and then reprogram EPM. If the fault will not clear, replace the drive and EPM.
External Fault
Digital input programmed for this feature has been energized/de-energized depending on
programming. P121–P124
EPM Fault
EPM is missing or defective
Replace the EPM.
Hardware Failure
Replace the drive.
to
4–20 mA Signal Loss
Check signal source and wiring, i.e., SmartSense wiring error.
OEM Defaults Data Fault
The OEM parameters in the EPM module do not match the anticipated defaults according to
the VFD. This fault may appear immediately upon VFD power-up.
To correct this condition, press the STOP button, and then press the Memory/Enter button.
Use the UP/DOWN button to scroll to P199. Press the Memory/Enter button. Use the UP/
DOWN button to scroll to a setting of 0. Press the Memory/Enter button to save the change.
The VFD is now able to read/write the EPM properly.
High Voltage Fault
Check AC incoming power or increase fan deceleration time.
Low Voltage Fault
Check AC incoming power.
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