Serial Pulse Coder Mispulse Alarm (PMAL)

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A mispulse alarm (PMAL) was detected for the serial pulse coder, indicating that the coder is generating incorrect or spurious pulses. This typically points to an internal fault within the pulse coder.

• Generation of mispulses by the serial pulse coder.

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1. 1

   Turn the main power OFF.

2. 2

   If this alarm recurs immediately when power is reapplied, replace the motor (which contains the pulse coder).