Breas PV 101+, Руководство по обслуживанию

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PV 101+/PV 102+ Service Manual FAULT TRACING
Doc. No. 003259 En Issue: X-1 BREAS MEDICAL 8–1
8 FAULT TRACING
This chapter contains a fault-tracing table that may be used when trouble-shooting the
device.
8.1 Fault-tracing table
If the PV 101+/PV 102+ does not work properly try to identify the problem in the table
below. Check the possible causes and carry out the suggested remedial actions.
Symptom
Possible cause Remedial action See ref.
The device alarms at
start-up. • The power cord is not pro-
perly connected.
• Connect the power cord. 2.4.2
• Mains fuse has blown. • Replace the fuse. 7.1
The ventilator does
not give adequate
pressure/volume. • Leakage from patient circuit/
mask.
• Check the tubes and mask
for leakage.
2.6.6
• Internal leakage. • Check the tubes inside the
machine.
2.5.3
• Dirty filters. • Replace or wash the filters. 2.6.5
• Pressure sensor faulty.
1 Adjust voltage to trans-
former.
2 Replace MDA board or
pressure sensor.
4.3
3.7
The PV 101+/
PV 102+ does not
trigger. • Trigger settings not correct. • Adjust settings. See
PV 101+/
PV 102+
Operating
manual
• Tube to flow sensor has
worked loose.
• Check tube and connectors. 7.4.3
• Flow sensor faulty.
• MDA board faulty.
1 Adjust voltage to pressure
sensor.
2 Replace MDA board or flow
sensor.
4.5
3.7
Alarms for mask-off
(PV 102+ only). • Leakage from patient circuit/
mask.
• Check the tubes and mask
for leakage.
2.6.6