Chapter 5
Diagnostic Mode and Troubleshooting
1049766 Rev A
V60 Ventilator Service Manual
5-23
111C
(CBIT)
DA PCBA ADC failed.
1. Replace DA PCBA.
111D
(CBIT)
MC PCBA ADC failed.
1. Replace MC PCBA.
111E
(CBIT)
CPU PCBA ADC failed.
1. Replace CPU PCBA.
111F
(CBIT)
Internal temperature high at CPU PCBA.
1. Replace CPU PCBA.
1120
(CBIT)
Internal temperature high at DA PCBA.
1. Verify that cooling fan is
operational.
2. Replace DA PCBA.
1121
(CBIT)
Internal temperature high at MC PCBA.
1. Verify that cooling fan is
operational.
2. Replace MC PCBA.
1122
(CBIT)
Blower temperature high.
1. Verify that cooling fan is
operational.
2. Replace blower.
3. Replace MC PCBA.
1123
(CBIT)
Battery temperature high.
1. Replace internal battery.
2. Replace PM PCBA.
1124
(CBIT)
Battery failed.
Audible and visual alarm indicators activate and the
ventilator continues to ventilate. Battery charger turns off.
1. Replace internal battery.
2. Replace PM PCBA.
1125
(CBIT)
Cooling fan speed error.
Ventilator overheating possible.
1. Verify that cooling fan RPM is
4000 + 1000 RPM.
2. Replace fan.
3. Replace PM PCBA.
1126
Flash file system error.
1. Repeat software download.
2. Replace CPU PCBA.
1127
OVP circuit failed.
1. Replace MC PCBA.
Table 5-1: Diagnostic Codes and Troubleshooting
Diagnostic
code
Description
Recommended repair