2R Current Instable

Error: All energies have an unstable 2R Current.

Check Bending PSU: Feel if (pink) wires to the large blue capacitors is warm. If this is the case you can be sure one of the Thyristor blocks found its way to heaven! A more sophisticated way of testing: check the output for excessive ripple using a oscilloscope.

If there is a ripple of more than 0,5V t/t, replace the faulty thyristor! Look at drawing Z1-3.1A for information about waveforms under fault conditions.

Don't forget to check the fuses!

See: Low Bending Current.