MPC-6000 / MPC-7000 / RND-2 INSTALLATION, OPERATION AND MAINTENANCE MANUAL
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APPENDIX-K: DIAGNOSTIC LEDS
The LEDs on the following boards are used for diagnostic purposes only.
MPC6-MB / MPC6-MB2
DS3 – ON, indicates Low battery voltage or No battery detected.
DS2 – ON, indicates High Battery voltage detected.
DS4 – ON, indicates panel detected a ground fault condition.
DS16 – ON, indicates defective battery charger circuit.
DS1 – OFF, indicates panel detected an AC Failure.
DS12 – ON, indicates that NAC1 is active.
DS13 – ON, indicates that NAC2 is active.
DS14 – ON, indicates that NAC3 is active.
DS15 – ON, indicates that NAC4 is active.
DS5 – ON, indicates Relay #1 is activated.
DS6 – ON, indicates Relay #2 is activated.
DS7 – ON, indicates Relay #3 is activated.
DS8 – ON, indicates Relay #4 is activated.
DS9 – ON, indicates voltage is OFF on TB9-R terminal.
DS10, DS11 flashing – indicates that I2C communication line is active.
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