Breas Nippy 4 Series, Руководство по обслуживанию

Страница: 73 / 96

Error
Code
Text on Display Problem Action
22 Int. Function
Failure: 22 Reference tempera-
ture offset error. 1. Restart the ventilator.
2. Redo temperature compensation.
3. Replace PTU board or send ventilator
for service.
23 Int. Function
Failure: 23 Blower motor current
offset problem. 1. Restart the ventilator.
2. Replace blower.
3. Replace CPU board or send ventilator
for service.
24 Int. Function
Failure: 24 Main pressure sensor
calibration error. 1. Restart the ventilator.
2. Re-calibrate main pressure sensor.
3. Replace PTU board.
4. Send the ventilator for service.
25 Int. Function
Failure: 25 Backup pressure sen-
sor calibration error. 1. Restart the ventilator.
2. Re-calibrate backup pressure sensor.
3. Replace PTU board.
4. Send the ventilator for service.
26 Int. Function
Failure: 26
Ambient pressure
sensor calibration
error. 1. Restart the ventilator.
2. Re-calibrate ambient pressure sensor.
3. Replace PTU board.
4. Send the ventilator for service.
27 Int. Function
Failure: 27
Flow sensor calibra-
tion error. 1. Restart the ventilator.
2. Re-calibrate flow sensor.
3. Replace PTU board.
4. Send the ventilator for service.
28 Int. Function
Failure: 28 Main pressure sensor
temperature calibra-
tion error. 1. Restart the ventilator.
2. Re-calibrate main pressure sensor
temperature.
3. Replace PTU board.
4. Send the ventilator for service.
29 Int. Function
Failure: 29 Flow sensor tempera-
ture calibration error. 1. Restart the ventilator.
2. Re-calibrate flow sensor temperature.
3. Replace PTU board.
4. Send the ventilator for service.
30 Int. Function
Failure: 30 Over pressure. 1. Restart the ventilator.
2. Calibrate the pressure sensor.
3. Replace PTU board.
4. Send ventilator for service.
31 Int. Function
Failure: 31 CPU board tempera-
ture is above 85°C
(185°F). 1. Let the ventilator cool off and restart.
2. Check the cooling air filter.
3. Check the cabling to the cooling fan.
4. Check that the cooling fan runs. It shall
always run when the ventilator is con-
nected to mains. If it is not running -
replace the cooling fan.
5. Replace the CPU board or send the
ventilator for service.
72 Fault Tracing
Vivo 45/Nippy 4 Series Service manual
Doc. 007132 D-2