GE Centiva/5 Plus, Technical Reference Manual

Page: 78 / 214

5 Troubleshooting
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05
5-8
No. Alarm Priority Set condition Action Reset condition
17 “Rate low” High In all modes:
If measured rate < set rate
low limit
High priority alarm In all modes:
If measured rate
≥
set
rate low limit
18 “Rate high” High In all modes:
If measured rate > set rate
high limit
High priority alarm In all modes:
If measured rate
≤
set
rate high limit
19 “Power PCB
fail”
High In all modes:
If main bus voltages are
failing
High priority alarm In all modes:
If main bus 13v
≤
15 V
And
If main bus 15v
≥
13 V
And
If main bus 15v
≤
17 V
20 “Display failure” High In all modes:
If connection between
control panel and main
engine is defective
Or if display back light is
defective
High priority alarm In all modes:
If CPU handshake is
OK
And
If display back light
supply
≥
12 V
21 “O2 sensor fail” High In all modes:
If O2 measured value
≤
10 %
Or
If O2 measured value
≥
120
%
High priority alarm In all modes:
If 10% < O2 measured
value < 120 %
22 “O2 concentr.
low”
High In all modes:
If O2 measured value < set
O2 low limit
High priority alarm In all modes:
If O2 measured value
≥
set O2 low limit
23 “O2 concentr.
high”
High In all modes:
If O2 measured value > set
O2 high limit
High priority alarm In all modes:
If O2 measured value
≤
set O2 high limit
24 “P limit
reached”
Low VCV, SIMV-VC, Bi-Level VG
mode:
If Ppeak
≥
Plimit
Low priority alarm VCV, SIMV-VC, Bi-Level
VG modes:
If Ppeak < Plimit at the
end of inspiratory time
25 “Button failure” Low In all modes:
If a button is active for more
than 5 sec
Low priority alarm Release button or
replace front label
26 “DC supply fail” High In all modes:
If external 24 V DC supply
fails or
If external battery pack
voltage < 22.5 V
High priority alarm Restore 24 V DC
supply or
restore external battery
pack with fully charged
one or
supply system by AC
line supply