The actions should be performed in the order in which they are listed below. For exam-
ple, if action no. 1 does not solve the problem you should continue with action no. 2,
and so on.
Action for each error code:
1. Please turn off and power down the ventilator, then restart to restore full
functionality.
2. Erase the internal memory.
3. Replace the CPU board.
4. If the fault persists, contact the service provider.
8.3
Function Failure Error Codes
8.3.1
Error Code Table
The table below lists each error code and the corresponding text that is shown on the
display. The problem is explained together with the action that is necessary to correct
the problem.
If more than one action is listed, the actions should be performed in the order in which
they are listed. For example, if action no. 1 does not solve the problem you should con-
tinue with action no. 2, and so on.
See 5
Opening the Ventilator and Replacing the Main Components
, page 34 for information
about how to perform the necessary replacement procedures.
Error
Code
Text on Display Problem
Action
1
Int. Function
Failure: 1
Treatment processor
fails.
1. Restart the ventilator.
2. Replace the CPU board or send the
ventilator for service.
2
Int. Function
Failure: 2
Main pressure sensor
fails.
1. Restart the ventilator.
2. Replace the PTU board.
3. Replace the CPU board or send the
ventilator for service.
3
Int. Function
Failure: 3
Back-up pressure sen-
sor fails.
1. Restart the ventilator.
2. Replace the PTU board.
3. Replace the CPU board or send the
ventilator for service.
4
Int. Function
Failure: 4
Flow sensor fails.
1. Restart the ventilator.
2. Replace the PTU board.
3. Replace the CPU board or send the
ventilator for service.
5
Int. Function
Failure: 5
Treatment processor
unable to stop the
blower motor.
1. Restart the ventilator.
2. Replace the CPU board or send the
ventilator for service.
Doc. 007132 D-2
Vivo 45/Nippy 4 Series Service manual
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