
Portable X-ray Units
Service Manual
SM-1076R2
68
ERROR CODE :
E46
DESCRIPTION
:
Busy I2C bus. I2C Bus error, the Bus remains always busy.
“Recoverable” with the “
Reset
” push-button.
POSIBLE CAUSES
It is not possible to communicate as the Bus is always busy.
ACTIONS
1.
Check on the Control Portable Board (
A3175--03
):
G
I2C Bus pull--up resistors (R66 and R67).
G
Review all the hardware connected to the I2C Bus: P89LPC922 (U56),
M41T56 (U54).
2.
Check on the Control Driver Board (
A3189--04
) the digital potentiometer AD5245
(U10) and the multiplexer MAX4586 (U12).
3.
Review the related components to all of them.
4.
If the error persists, replace the defective hardware.
ERROR CODE :
E47
DESCRIPTION
:
The APR Lite checksum is wrong.
“Recoverable” with the “
Reset
” push-button.
POSIBLE CAUSES
Defective Non-Volatile RAM memory in U25-EEPROM Microcontroller (Portable Control
Board
A3175--03
) or it has not been initialized.
Defective Portable Control Board (
A3175--03
).
ACTIONS
1.
Press the “
Reset
” push-button.
2.
If the error persists, turn Off/ON the unit.
3.
If the error persists, initialize the EEPROM (
refer to Section 5.1.1
).
4.
If the error persists, replace the Portable Control Board (
A3175--03
) and initialize
the new EEPROM (
refer to Section 5.1.1
).
Summary of Contents for SPL-HF 2.0
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