Optimus
Error Code: Type: Segment:
03PA Error
 

Description:

Emission current (Ie) zero measured
 
Possible Causes / Advice:

Check the mA measuring circuit in standby against oscilloscope screenshot ma_pulse.pcx.

Might be logged at the end of an initial kV problem in combination with 02HG + 02HH + 02HX or other 02xx entries. If kV already disappeared during mA measurement one should ignore 03PA and look at the kV problem first.

Otherwise the filament or the cathode cable might have a short circuit. Then expect 03PF in combination.

If in installation check if HT cables anode and cathode side are interchanged on tank or tube side.