HP CM3530 Service Manual - Page 410
Heartbeat LED, after you turn it on, the LED blinks rapidly
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5. Align the formatter in the tracks at the bottom of the slot, and then slide it back into the product. Push firmly on the right side of the formatter to make sure it is fully inserted. NOTE: To prevent damage to the formatter, ensure the formatter is aligned in the tracks at the top and the bottom of the opening. Reinstallation tip To prevent the formatter from flexing and not fully seating, firmly push in on the formatter along the edge opposite of the thumb screws. 6. Reconnect the power cable and interface cables, and turn the product on. Heartbeat LED The heartbeat LED indicates that the formatter is functioning correctly. While the product is initializing after you turn it on, the LED blinks rapidly, and then turns off. When the product has finished the initialization sequence, the heartbeat LED pulses on and off. If the heartbeat LED is off, the formatter might have a problem. Turn the product off and then on. If the LED is still off, replace the formatter. See Formatter PCA on page 192. 380 Chapter 7 Solve problems ENWW
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