Sedecal SPL-HF 2.0, Service Manual

Page: 64 / 222

Portable X-ray Units
Service Manual
SM-1076R2
54
ERROR CODE : E17
DESCRIPTION
: DC Bus is out of range. The DC Bus voltage is too high or low during unit operation or
the precharge relay is opened. “Recoverable” with the “
Reset ” push-button.
POSIBLE CAUSES
Defective DC Bus hardware, noise or fault at the measuring of the DC Bus voltage.
The precharge relay can not be activated (if the cause of this error is the precharge relay,
it is very important to avoid pressing on the “
Collimator Light ” or “ Preparation ” controls
as it could blow up the precharge resistors).
ACTIONS
If the error persists, replace the defective hardware.
ERROR CODE : E19
DESCRIPTION
:
mA without “ Exposure ” order. Tube current is present without “ Exposure ” order from the
U25-EEPROM Microcontroller. “Recoverable” with the “ Reset ” push-button.
POSIBLE CAUSES
Defective hardware or noise in the mA measure.
ACTIONS
If the error persists, replace the defective hardware.
ERROR CODE : E20
DESCRIPTION
: kVp without “ Exposure ” order. Anode--Cathode voltage is present without “ Exposure ”
order from the U25-EEPROM Microcontroller. “Recoverable” with the “ Reset ”
push-button.
POSIBLE CAUSES
Defective hardware or noise in the kVp measure.
ACTIONS
If the error persists, replace the defective hardware.