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Input/Output (I/O) Board Input Description (Red light emitting diode [L.E.D.])
1. FDRC – (RED L.E.D.) This L.E.D. will indicate the status of the Front Doors. If the doors are closed,
then the L.E.D. is ON.
2. FDRO – (RED L.E.D.) This L.E.D. will indicate the status of the Front Doors. If the doors are open,
then the L.E.D. is ON.
3. TBOL – (RED L.E.D.) This L.E.D. will indicate the status of the Basket (Tumbler) Overload Contact.
If the contact is closed, then the L.E.D. is ON. If it faults open, then the L.E.D.
is OFF.
4. FNOL – (RED L.E.D.) This L.E.D. will indicate the status of the Fan Overload Contact. If the contact
is closed, then the L.E.D. is ON. If it faults open, then the L.E.D. is OFF.
5. RDWN – (RED L.E.D.) This L.E.D. will indicate the status of the Rear Tilt. If the rear of the dryer is
down, then the L.E.D. is ON.
6. FDWN – (RED L.E.D.) This L.E.D. will indicate the status of the Front Tilt. If the front of the dryer is
down, then the L.E.D. is ON.
7. RDRC – (RED L.E.D.) This L.E.D. will indicate the status of the Rear Doors. If the doors are closed,
then the L.E.D. is ON.
8. RDRO – (RED L.E.D.) This L.E.D. will indicate the status of the Rear Doors. If the doors are open,
then the L.E.D. is ON.
9. FAN – (RED L.E.D.) This L.E.D. will indicate the status of the Blower Fan. If the fan is on, then the
L.E.D. is ON.
10. RBHL – (RED L.E.D.) This L.E.D. will indicate the status of the Rear Burner Hi-Limit Disk. If the
disk is closed (Temperature below 225º F [107º C]), then the L.E.D. is ON.
11. R_SS – (RED L.E.D.) This L.E.D. will indicate the status of the Rear Sail Switch. If the switch is
closed, then the L.E.D. is ON.
12. FBHL – (RED L.E.D.) This L.E.D. will indicate the status of the Front Burner Hi-Limit Disk. If the
disk is closed (Temperature below 225º F [107º C]), then the L.E.D. is ON.
13. F_SS – (RED L.E.D.) This L.E.D. will indicate the status of the Front Sail Switch. If the switch is
closed, then the L.E.D. is ON.
14. EXHL – (RED L.E.D.) This L.E.D. will indicate the status of the Exhaust Hi-Limit Disk. If the disk is
closed (Temperature below 225º F [107º C]), then the L.E.D. is ON.
15. DRY – (RED L.E.D.) This L.E.D. will indicate the status of the Programmable Logic Controller (PLC).
If the mechanical functions of the dryer have been set to the DRY position, the
PLC will send a signal to the Phase 7 board. This signal will indicate that
ALL
the doors are closed and the dryer is level. When these conditions are met, then
the L.E.D. is ON.