BIG ASS FANS Powerfoil 8 Installation Manual page 55

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12'–24' POWERFOIL 8, 12'–24' POWERFOIL 8PLUS
47
Troubleshooting (cont.)
Fault messages (cont.)
Message Description
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., SmartSense365™ wiring error.
OEM Defaults Data Fault
To correct this condition, press the STOP button, and then press the Memory/Enter button. Use the UP/DOWN
button to scroll to . Press the Memory/Enter button. Use the UP/DOWN button to scroll to a setting of 0.
High Voltage fault
Check AC incoming power or increase fan deceleration time.
Low Voltage fault
Check AC incoming power
Output Transistor fault
Short circuit, excessive load, excessive cable charging current
Motor Short to Ground
Motor Thermal OL
Check actual motor current against FLA (P108)
Flying Restart fault
Failed motor speed sync attempt
Single Phase fault
Incoming AC line phase loss
Check supply power.
Start fault
Start command was present on powerup.
Cycle start command.
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