Portable X-ray Units
Service Manual
SM-1076R2
46
ERROR CODE :
E01
DESCRIPTION
:
Backup Timer I2C error. I2C Bus error while trying to access the external redundant
backup timer. “Recoverable” with the “
Reset
” push-button.
POSIBLE CAUSES
It is not possible to communicate with the secondary microcontroller (U56) that practises
as the redundant backup timer.
ACTIONS
1.
Turn the Unit OFF and ON.
2.
If the error persists, check on the Control Portable Board (
A3175--03
):
G
I2C Bus pull--up resistors (R66 and R67).
G
Make sure the secondary microcontroller (U56) has been properly burned
(DS29 should be flashing).
G
Review all the hardware connected to the I2C Bus: P89LPC922 (U56),
M41T56 (U54).
3.
Check on the Control Driver Board (
A3189--04
) the digital potentiometer AD5245
(U10) and the multiplexer MAX4586 (U12).
4.
Check the related components to all of them.
5.
Replace the defective hardware.
Summary of Contents for SPL-HF 2.0
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Page 176: ...Portable X ray Units Service Manual SM 1076R2 166 A3 A3 A4 A6 A7 A8 A9 A10 A11 A12 A13...
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Page 180: ...Portable X ray Units Service Manual SM 1076R2 170 B10 B1 B2 B4 B5 B9 B11 B12 B13 B15...
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