Troubleshooting and Test Functions 3
1100 Series WS MWS Reference Manual 71
Exhaust Fan Failed
The exhaust fan in the well-plate sampler has failed.
The hall sensor on the fan shaft is used by the WPS board to monitor the fan
speed. If the fan speed falls below a certain value the error message is
generated and the well-plate sampler shuts down.
Probable Causes
• Fan cable disconnected.
• Defective fan.
• Defective MTP board.
Suggested Actions
✔ Ensure the fan is connected correctly.
✔ Exchange fan.
✔ Exchange the MTP board.