
Chapter 6
Troubleshooting
1062788
BiPAP Vision Service Manual © Respironics, Inc.
6-25
131B
Air temperature sensor error: temperature out
of range (40-160 °F) for 2500 counts,
conversion did not complete
1. Replace AFM cable.
2. Replace AFM.
3. Replace PC board.
131C
Outlet pressure sensor error, atmospheric
pressure (ATM): (high ATM - low ATM) x 100
> (5 x high ATM).
Replace PC board.
131D
PC calibration data error: 2 CRC calibration
data contains default values or calculated
data.
Replace PC board.
131E
PC calibration data error: 3 CRC calibration
data contains default values.
Replace PC board.
131F
Drift test error: invalid data in
drift test case
.
Replace PC board.
1320
AFM drift calibration error: 1 CRC calibration
data contains default values or calculated
data.
1. Replace AFM cable.
2. Replace AFM.
3. Replace PC board.
1321
PC calibration error: 4 CRC calibration data
filled with default values or calculated data.
Replace PC board.
1322
Sensor drift error: outlet or pressure sensor out
of range (tolerance = + 2 cmH
2
O of nominal).
1. Replace AFM cable.
2. Replace AFM.
3. Replace PC board.
1323
PC calibration error: 6 CRC drift data cannot
be updated.
Replace PC board.
1324
OM drift calibration error: 1CRC calibration
data filled with default values or calculated
data.
1. Replace OM cable.
2. Replace OM.
3. Replace PC board.
1325
Total flow sensor drift error: excessive total
flow sensor drift.
1. Replace AFM cable.
2. Replace AFM.
3. Replace PC board.
1326
Oxygen flow sensor drift error: excessive total
flow sensor drift.
1. Replace OM cable.
2. Replace OM.
3. Replace PC board.
Table 6-4: Troubleshooting
Vent Inop
Error Codes
Error code
Description
Corrective action