CAT Roof Support PMC-R Shield Control System Operation Manual

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FLASHING LIGHTS The flashing light feature is an option that is only available with the Integrated Lighting System in which the area lighting luminaires connect to the PMC-R brass mounting bar for power and control. During the Autosequence, the lights will flash to warn the operators that shields are moving. This is a safety feature and must be maintained. Lights are installed on every shield which provides a highly visible in-shield warning when the shield is advancing. If the in-shield light cannot flash, the ASQ will fail and post an error (err: "ASQ ERROR luminaire blink failed"). Non-functional lights can be identified on the VCU.

When the shield is not doing an Autosequence, the light is solid white. “SOLID WHITE”

“FLASHING RED”

“SOLID RED”

“FLASHING WHITE”

“LIGHT IS OUT”

© Caterpillar

When the shield is Autosequencing it will switch to the Red color and flash all the time it is prewarning or active in the Autosequence. When a shield is selected and being operated manually by using the man in place keys it's LED will be solid Red. Critical ASQ error messages will cause the light to blink. See ASQ Critical Errors below. This shield will be unable to complete an ASQ. The “luminaire blink failed” error will be posted when the ASQ fails.

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