HF Series Generators
T roubleshooting
TR-1005R4
52
ERROR CODE : E19
DESCRIPTION : mA detected without “Exp” command.
ERROR TYPE : Fatal Error . Generator opens line contactor that remains in a endless loop. It is necessary to turn
off the equipment.
APPLICABLE TO : All Generators
APPEARS WHEN : In stand-by or during initialization.
INFORMATION / SYMPTOM : Current in tube without ”Prep” command.
POSIBLE CAUSES
± 12 VDC power supplies missing on the H. T. Controller Board.
Defective H. T. Controller.
mA signal on H T Controller is active.
ACTIONS
1. Check ± 12 VDC power supplies.
2. Check a level logic “0” in TP5. Check also a level logic “0” in TP13, TP14 connector P4-6 y P4-7.
3. If it is OK, replace the HT Controller or Filament Drive Boards one by one.
ERROR CODE : E20
DESCRIPTION : kVp detected without “Exp” command.
ERROR TYPE : Fatal Error . Generator opens line contactor that remains in a endless loop.
APPLICABLE TO : All Generators.
APPEARS WHEN : In stand-by or during initialization.
INFORMATION / SYMPTOM : kVp detected without “Exp” command.
When E20 appears on Console (E20) means that the error can not be solved without turning off the
equipment.
POSIBLE CAUSES
--12 VDC power supply missing.
Defective HT Controller Board.
ACTIONS
1. Check --12 VDC power supply.
2. Check logic level “0” in TP7 and TP11, TP12, P4-1 and P4-2.
3. If it is OK, replace HT Controller Board.
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