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Chapter 6
Troubleshooting
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BiPAP Vision Service Manual © Respironics, Inc.
6-15
60A (MC)
E0A (DC)
160A (PC)
Corrupt EPROM CRC error.
Replace subsystem with lit error LED.
60C (MC)
N/A (DC)
N/A (PC)
Invalid data on
MC state
signal.
Replace subsystem with lit error LED.
60E (MC)
E0E (DC)
160E (PC)
Watchdog error (software continues after long
delay in watchdog timer test).
Replace subsystem with lit error LED.
614 (MC)
E14 (DC)
1614 (PC)
RAM hardware error: pattern read doesn’t
match written pattern.
Replace subsystem with lit error LED.
616 (MC)
E16 (DC)
1616 (PC)
Power on reset occurred after watchdog test.
1. Replace subsystem with lit error
LED.
2. Replace alarm PAL chip on MC
board.
617 (MC)
E17 (DC)
1617 (PC)
Serial interface (SCI) error: SCI register not
ready for character output.
Replace subsystem with lit error LED.
700 (MC)
F00 (DC)
1700 (PC)
CRC error: calculated CRC does not match
sent CRC on third send to DC-MC.
1. Replace intermodule
communications bus (ICB) cable.
2. Replace DC board.
3. Replace MC board.
4. Replace PC board.
701 (MC)
F01 (DC)
1701 (PC)
Negative acknowledgment (NAK) received on
third send to DC-MC.
1. Replace ICB cable.
2. Replace DC board.
3. Replace MC board.
4. Replace PC board.
702 (MC)
F02 (DC)
1702 (PC)
Acknowledge timer (Tack) timeout on third
send to DC-MC: Tack not received within last
750 usec of last byte sent.
1. Replace ICB cable.
2. Replace DC board.
3. Replace MC board.
4. Replace PC board.
703
(MC, DC, PC)
Reply timer (Trply) timeout on third send to
DC-MC: slave did not respond within 1 msec of
last byte sent from MC.
1. Replace ICB cable.
2. Replace DC board.
3. Replace MC board.
4. Replace PC board.
Table 6-4: Troubleshooting
Vent Inop
Error Codes
Error code
Description
Corrective action