Respironics BiPAP Synchrony Service And Technical Reference Manual page 69

B PAP S
I YNCHRONY
Error Description of Error
Code
E74 Reserved for Future Use
E75 Incorrect Display Tape
E76 Failure in Loss of Power
Battery
E77 Invalid Error Code
E78 Low Pressure Condition
E79 Unable to Maintain
Pressure Support
E80 Barometric Pressure
Sensor Failure
E81 BarometricSensor Failure
E82 Invalid Error Code
T & D
ROUBLESHOOTING
S & T
ERVICE ECHNICAL
Defective RAM chip
Incorrect LCD setup on Main PCA
Defective PCA
Reserved
Defective Motor Drive Chip
Defective Valve
Defective PCA
Excessive leak in patient circuit
Defective Valve
Defective PCA
Excessive leak in patient circuit
The raw value from the barometric
pressure sensor A/D converter is
outside its valid range of values
The barometric pressure reading
is outside its acceptable range.
Reserved
- P 24
IAGNOSTICS AGE
I
NFORMATION
Probable Cause Corrective Action
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Valve
Replace Main PCA
Correct leak in
patient circuit
Replace Valve
Replace Main PCA
Correct leak in
patient circuit
Replace Main PCA
Replace Main PCA
Replace Main PCA
1032443, R . 00
EV