Plc Status Light Chart - GAYLORD CG3 Series Technical Manual

PLC STATUS LIGHT CHARTS
The following is a list of how the status lights will appear on the PLC (Programmable Logic Controller) that is operating correctly.
X
(Inputs)
0
1
2
3
4
5
6
7
Y
(Outputs)
0
1
2
3
COM
4
COM
5
Y
(Outputs)
0
1
2
3
4
5
6
7
TROUBLE-SHOOTING
STANDARD (SINGLE OR SEQUENTIAL WASH) DESCRIPTION - PLC
On while "Fire Test Switch" is pushed and held, or hood is in Internal Fire Mode. Off
during "Cool Down Cycle"
On when Remote Fire Switch is activated, or when hood is in External Fire Mode.
On normally. It shuts off if cabinet is equipped with Low Detergent alert feature and the
detergent is low.
Off normally. On when Jumper is installed to disable Wash Solenoids from opening
during Internal Fire Mode and External Fire Modes.
Wash permission signal (if so equipped)
Not Used
Not Used
Not Used
STANDARD (SINGLE OR SEQUENTIAL WASH) DESCRIPTION - PLC
On when Wash Solenoid # 1 should be open.
On during an Internal or External Fire Mode. On during "Cool Down Cycle".
On when Detergent Pump should be on.
On when Exhaust Fan should be on.
Never comes on
On when Supply Fan should be on.
Never comes on
On when damper is in "Wash" position, or while damper is moving to "Wash" position
(SEQUENTIAL WASH "S2-S5") DESCRIPTION - EXPANSION MODULE
On when Wash Solenoid # 2 should be open.
On when Wash Solenoid # 3 should be open.
On when Wash Solenoid # 4 should be open.
On when Wash Solenoid # 5 should be open.
Not Used
Not Used
Not Used
Not Used
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