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7. Lint Chamber Air Pressure Problem “AIR FAULT”
An “AIR FAULT” message is generated by the LINT CHAMBER PRESSURE switch. The following
information will address the signal, since it is associated with the Base Electrical Junction Box.
a) PROBABLE CAUSES;
1a) Clogged Lint Screen or Lint Bag
2a) Air Pressure Setting
3a) Air Pressure Switch - PS3 or wiring back to the PLC (Programmable Logic Controller)
b) PROBABLE SOLUTIONS;
1b) Perform preventive maintenance and screen cleaning procedures.
2b) Set correct pressure settings.
3b) For a quick check of the AIR PRESSURE SWITCH WIRING, perform the following:
• Run a drying cycle
• Does the pressure switch’s indicator come “ON”?
• If yes, switch and its adjustment.
• If no, check switch and its adjustment.
• Verify that PLC (Programmable Logic Controller) input L.E.D. (light emitting diode) #5 comes
“ON” L.E.D. (light emitting diode #5 come “ON” when the switch is active?
• If yes, wiring is OK.
• If no, check:
• Switch, its setting and wiring.
• Check wiring back to the Base Electrical Junction Box.
• Check PLC (Programmable Logic Controller).
• Refer to Wiring Diagrams:
• Main Electrical Panel Diagram
• Base Electrical Junction Box Wiring Diagram.
• Retest; verify that the signal is operational.