Chapter 5
5-20
V60 Ventilator Service Manual
1049766 Rev A
Diagnostic Mode and Troubleshooting
1009
Pressure regulation high.
1. Verify pressures and flows.
2. Replace DA PCBA.
3. Replace MC PCBA.
100A
(CBIT)
DA PCBA ADC reference failed.
1. Verify 3.3V in diagnostics.
2. Verify 2.5V ref on DA PCBA.
3. Replace DA PCBA to MC PCBA
cable.
4. Replace DA PCBA.
5. Replace PM PCBA.
100B
(POST)
Watchdog test failed.
Replace CPU.
1100-11FF Check Vent Diagnostic Codes
(High-priority error conditions that require immediate attention. Ventilator continues to operate with limited
performance. Do not use the ventilator until the problem is corrected.) CBIT = continuous built-in tests. POST
= power on self test.
1100
(CBIT)
Program CRC test failed.
1. Re-load software.
2. Replace CPU PCBA.
1101
Ventilator restarted.
1. Replace CPU PCBA.
1102
(POST)
Primary alarm failed.
1. Listen for audible sound from
speakers.
2. Verify speakers are connected.
3. Replace speaker #1 (MC PCBA).
4. Replace speaker #2 (PM PCBA).
5. Replace CPU PCBA.
1104
(POST)
Backup alarm failed.
1. Replace PM PCBA.
2. Replace CPU PCBA.
1105
(POST)
Alarm LED failed.
1. Replace power switch overlay.
2. Replace UI to PM PCBA cable.
3. Replace PM PCBA (PM PCBA
only if LED is functioning).
1106
(POST)
Machine pressure sensor calibration data error.
Proximal pressure is not measured. Pressure-related alarms
are compromised.
1. Replace DA PCBA.
Table 5-1: Diagnostic Codes and Troubleshooting
Diagnostic
code
Description
Recommended repair