ZOLL EMV+ - Page 213

Ventilator & Calibration Troubleshooting
906-0731-04-01 Rev. C ZOLL Ventilator Service Manual 6–41
1475 Self Check Failure Description:
cannot communicate
with the LCD contrast
control circuit
Possible Cause:
• Stuck I2C bus
• Faulty UIM Adapter
• Check to see if the I2C bus is stuck by power cycling the
device if the problem clears ->Stuck I2C bus -> No
further action required
• If this does not resolve the issue-> faulty UIM adapter >
replace the UIM adapter board
1480
3480
Self Check Failure /
Self Check Fault
Description:
CPU and SPM software
revisions are not
compatible (1480), or
the SPM serial number
stored in CPU does not
match what is reported
by the SPM (3480)
Possible Cause:
• Newly combined
front case and SPM
module
• Accidentally
swapped
assemblies
• Incomplete upgrade
• incorrect
programming
• Is this a newly combined front case and SPM module-
>Newly combined front case and SPM module->Use RCS
to Write "SPM SN" and "SPM Model" in "SN To Update"
fields
• is it possible that assemblies have been accidentally
swapped ->>Accidentally swapped assemblies ->
Correct the assemblies
• Did this happen during an upgrade -> possible
incomplete upgrade -> re-conduct upgrade, Use RCS to
Write "SPM SN" and "SPM Model" in "SN To Update"
fields
• Did this happen during programming -> possible
incorrect programming -> re-conduct programing -> Use
RCS to Write "SPM SN" and "SPM Model" in "SN To
Update" fields
CODES NAME
Description /Possible
Cause
Actions