8
Fault Tracing
This chapter contains a fault-tracing table and a table of error codes to use when trou-
bleshooting the ventilator.
8.1
Fault Tracing Table
If the ventilator 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 ventilator
does not start
when con-
nected to the
mains supply.
The power supply is
faulty.
1. Check the power supply.
2. Replace the power supply.
The keys don
’
t
work.
1. The cabling for the
front panel is discon-
nected or faulty.
2. The front panel is
faulty.
1. Check the cabling for the
front panel.
2. Replace the front panel.
Chapter 5.17
The clock has
been reset.
The clock battery is
discharged.
Replace the clock battery.
Chapter 5.6
The Vivo does
not show any
flow during
treatment.
1. The patient circuit
type used is not the
same as set on the
Vivo.
2. The Vivo is not
properly calibrated.
1. Make sure that the correct
patient circuit type is set.
2. Calibrate the Vivo.
Chapter 6.2
,
Doc. 007132 D-2
Vivo 45/Nippy 4 Series Service manual
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