Code FAn (Fault): Internal Fan Fault

Code type: Fault Manual section: Yaskawa A1000 Troubleshooting Internal cooling fan has malfunctioned (models 2A0360, 2A0415, 4A0362 to 4A1200). Cycle power to the drive and see if the fault is still present. Check if the fan is operating or not. Verify the cumulative operation time of the fan using monitor U4-03, and the fan maintenance timer in U4-04. If the cooling fan has passed its expected performance life or is damaged in some way, replace the fan. Fault detected in the internal cooling fan or magnetic contactor to the power supply (models 2A0250 to 2A0415, 4A0165 to 4A1200). Cycle power to the drive and see if the fault is still present. If the fault still occurs, either replace the control circuit board or the entire unit. For instructions on replacing the power board, contact the Yaskawa sales office directly or your nearest Yaskawa representative.