Covidien Puritan Bennett 700 Series, Service Manual

Page: 149 / 439

Self-tests
Puritan Bennett™ 700 Series Ventilator System Service Manual 10070389 Rev. A 3-11
6. When the last test in the sequence is complete, the EST completion status is displayed
(Table 3-7). Respond as indicated. Service the ventilator, then retest it, if required. The
following definitions are used in Table 3-8 for each EST test:
• failure – Safe ventilation may be compromised if certain EST tests do not pass. The
ventilator is rendered inoperative until it is repaired.
• fault – Ventilation may not be compromised (subject to a trained operator’s
evaluation) if other EST tests do not pass.
NOTE:
Faults detected during EST may not require the ventilator to be serviced or removed
from use immediately. A trained operator, however, must evaluate the situation and
determine whether the ventilator can be used.
Failures detected during EST require
immediate servicing and removal of the ventilator from clinical use.
Name of a section of display Press ACCEPT to confirm all LEDs/LCDs in named section are on.
Upper MDW = blocks? Press ACCEPT to confirm all pixels are turned on in upper half.
Lower MDW = blocks? Press ACCEPT to confirm all pixels are turned on in lower half.
Name of a key Press named key.
High alarm sound Confirm you hear alarm by pressing ACCEPT.
Medium alarm sound Confirm you hear alarm by pressing ACCEPT.
No sound Confirm you do not hear alarm by pressing ACCEPT.
Is backup alarm ON? Confirm you hear alarm by pressing ACCEPT.
Table 3-6: Prompts during EST testing (continued)
Prompt Operator action
Table 3-7: EST completion status
If the EST
result is:
It means: Do this:
EST passed All tests were performed and all
passed. To retest from start of test sequence , press alarm reset key.
To exit EST and resume ventilation , press ACCEPT. Unblock
the wye as directed, then press ACCEPT. POST now runs, and
ventilation resumes at last valid settings.
EST
incomplete All tests passed, but some tests were
skipped. The skipped tests were
passed on a previous run. To retest from the start of the test sequence , press the alarm
reset key.
To exit EST and resume ventilation , press MANUAL INSP. You
are then asked whether you want to use the override
feature. Press MANUAL INSP again to complete the override.
Unblock the wye as directed, then press ACCEPT. POST now
runs, and ventilation resumes at last valid settings.