Respironics BiPAP Synchrony Service And Technical Reference Manual page 68

Error Description of Error
Code
E55 Buffer Overflow
E56 Motor Current High While Blower
On
E57 Unable to Queue Data to
Provide Therapy
E58 Stuck Key
E59 Outlet Pressure Sensor Railed
E60 Blower Pressure Sensor Railed
E61 Real-time Clock's Battery Dead
E62 Blower Speed exceeds
maximum limit
E63 Internal Watchdog Failure
E64 External Watchdog failure
E65 Unexpected Watchdog Reset
E66 Reserved for Future Use
E67 Operating System Failed
Initialization
E68 Unable to Queue Data for
Communication
E69 Sampling Thread Locked
E70 Execution Thread Locked
E71 Internal RAM Failure
E72 Unable to Queue Data for
logging
E73 Reserved for Future Use
1032443, R . 00
EV
B PAP S
I YNCHRONY
S & T
ERVICE ECHNICAL
Probable Cause
Defective PCA
Stalled or Locked Blower
Defective Motor Drive Chip
Defective FLASH or RAM
chip
Verify all keys protrude
through top
Defective Keypad
Defective Pad on PCA
Occluded or restricted
pressure tube
Defective pressure sensor
Occluded or restricted
pressure tube
Defective pressure sensor
Dead Battery
Defective Motor Drive chip
Defective RAM chip
Defective Microprocessor
Defective FLASH or RAM
chip
Defective RAM chip
Defective FLASH or RAM
chip
Defective FLASH or RAM
chip
Defective PCA
Defective PCA
Defective Microprocessor
Defective FLASH or RAM
chip
Defective RAM chip
T
ROUBLESHOOTING
I
NFORMATION
Corrective Action
Replace Main PCA
Replace Blower
Replace Main PCA
Replace Main PCA
Replace Main PCA
Align keys with top
Replace Keypad
Replace Main PCA
Replace Pressure
Tube
Replace Main PCA
Replace Pressure
Tube
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Main PCA
Replace Main PCA
& D - P 23
IAGNOSTICS AGE