Ventilator & Calibration Troubleshooting
6–36 www.zoll.com 906-0731-04-01 Rev. C
1176 Self Check Failure Description:
Any of the calibration
tables has a bad CRC or
the calibration header
has a bad CRC
Possible Cause:
• Calibration table
corrupted
• Check to see if the calibration table has been corrupted
by recalibrating (do not write defaults) -> if the problem
has resolved the issue was the calibration table if the
problem persists -> Replace the SPM Module
2300
3300
Self Check Fault Description:
The Masimo board
indicates a failure
Possible Cause:
• SPO2 Failure
• Replace CPU/SPO2 Stack kit or front panel assembly.
2301
3301
Self Check Fault Description:
Communication from
the Masimo board has
timed out
Possible Cause:
• Board has become
dislodged
• Masimo board is
damaged
• Faulty Front Panel
Module
• Check to see if the Masimo board has become dislodged
-> the Masimo board has become dislodged -> reseat
the Masimo board
• Check to see if the Masimo board is damaged ->
Masimo board damaged -> Replace CPU/SPO2 Stack kit
• If the above actions do not resolve the issue -> Faulty
Front Panel Module ->Replace Front Panel Assembly
3311 Defective Pulse Ox
Sensor
Description:
Alarm occurs when the
pulse oximeter cannot
identify the connected
sensor or the sensor
has failed.
Possible Cause:
• Masimo Flex Cable
fault
• Internal Masimo
board fault
• Check to see if Masimo Flex Cable is bad or the Internal
Masimo board is bad-> if the Masimo Flex Cable is bad
or the Internal Masimo board is bad -> Replace CPU/
SPO2 Stack kit or the front panel assembly
CODES NAME
Description /Possible
Cause
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