Performance verification
5-8
10070389 Rev. A
Puritan Bennett™ 700 Series Ventilator System Service Manual
9. Wait ten minutes to ensure the backup alarm capacitor has time to charge.
10. Leaving the power switch ON, disconnect AC power from the unit.
11. Verify the backup alarm sounds.
See Section 5.7 21.
12. Slide battery partially in, connect harness and complete sliding battery into compartment.
13. Replace battery compartment access plate and replace the four screws with captive
washers.
14. Reconnect AC power.
15. Perform EST before returning ventilator to service.
5.6.5 Supply voltage test (Test 4)
The following procedures describe how to measure supply voltages off the pressure solenoid
PCB.
Caution
To prevent possible damage to the pressure solenoid PCB, always use 0.025 square-
receptacle banana plugs (see Table 5-2) when performing this test.
1.
Open and prop ventilator lid.
NOTE:
The FAN FAILED ALERT alarm may be activated while the ventilator lid is open. Be sure
to clear the associated code (6004) from the alert log after completing the
performance verification.
2.
Locate power supply/reference voltage test connector J2 on pressure solenoid PCB
(Figure 5-1).
Figure 5-1. Power supply/reference voltage test connector J2
on pressure solenoid PCB
J2
7-00174
Summary of Contents for Puritan Bennett 700 Series
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