Covidien Puritan Bennett 700 Series, Service Manual

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Diagnostic codes
6-10 10070389 Rev. A Puritan Bennett™ 700 Series Ventilator System Service Manual
6039 POST (technical alert --
VALVES TEST FAILED) Safety valve stuck closed
during POST 1. Check state of safety valve during POST.
If stuck closed, replace.
2. If safety valve open during POST,
replace cylinder outlet check valve.
6040 Ongoing hardware
checks Nebulizer failed alert, power
not being supplied to
nebulizer. 1. Check cable connections between the
communications panel and the
nebulizer.
2. Replace the cable.
3. Check cable connections between the
communications PCB and the controller
PCB.
4. Replace the cable.
5. Replace communications PCB.
6. Replace the nebulizer.
6041 BIOT (technical alert --
PARTIAL OCCLUSION) Partial occlusion in one limb of
the breathing circuit. 1. Check patient.
2. Check limbs for blockages.
3. Check exhaust port for blockage.
4. Replace pressure solenoid PCB.
6042 BIOT (technical alert --
PCYL COMPARE
ALLERT) P
cyl
transducer tube is
incorrectly connected to P
i
or
P
e
transducer.
1. Check tubing connections.
2. Replace pressure solenoid PCB.
6043-6046 BIOT (technical alert --
CONTACT SERVICE) BBU signal conflict: signals
indicate both battery and AC
power operation 1. Verify AC power to the ventilator.
2. Verify battery voltage.
3. Check that connections between the
BBU and controller PCBs are secure.
4. Replace BBU PCB.
5. Replace controller PCB.
7000 POST Software error See Section 6.2.
7001 POST Software error See Section 6.2.
7002 POST Software error See Section 6.2.
7003 POST Microcontroller or other
hardware failure Replace controller PCB.
7004 POST Microcontroller or other
hardware failure Replace controller PCB.
7005 POST Microcontroller or other
hardware failure Replace controller PCB.
7006 POST Microcontroller or other
hardware failure Replace controller PCB.
Table 6-1: Diagnostic codes (continued)
Code Software Possible cause Corrective action