Error S3

  • Before giving up, try:
    *Reseating the all the boards, things get jostled when moving.
    *Check the + & -15VDC supplies at the power supply (these voltages are used by the comparators on the CPU board that scale the voltages to the A/D converters). Also check these voltages with the meters AC scale and verify there is less than 30mV AC ripple on each.
    *Reset the parameters to default in the EEPROM by going to Manual menu, PARAM > CHANGE > PROM. It may be looking for something no longer connected or corrupt parameters. Do this before reloading parameters from disk.

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