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How can I fix my cooper menvier 9448 house alarm?

Our unset alarm went off today (tamper loop is broken light came on I could not stop the outside alarm with our code, the inside alarm was silent. After awhile the alarm went quiet, but we have found that if we try to get rid of the red light or reset the alarm we get one beep out of the panel and it won’t arm or reset.
Rich c, December 2020
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