Service manual

54 Infant Flow
®
SiPAP
675-120 Revision D May 2005
Table 6 - Error Codes
Error
Code
Fault Condition Consequence
Software
Response
Corrective
Action
- Program memory
checksum error.
Unusable – Software
corrupt, execution
inhibited.
Hardware held in
permanent reset
condition with
Warning Bar on.
Reload
software.
- Battery too discharged
(<6.5 V) to operate LCD,
analogue and valve driver
circuits (no external
power).
Unusable - no user
interface display.
Hardware held in
reset condition
with Warning Bar
(status LED off)
on until external
power applied.
Plug in
external
power.
- Battery too discharged
(<10 V) to operate
analogue and valve driver
circuits but sufficient for
LCD driver (no external
power).
Unusable – sensor
readings invalid.
User lockout
‘Plug in external
power’ prompt
Plug in
external
power.
E10 Non-volatile memory fault. Unusable - unable to
retrieve/set unit
configuration and
calibration data.
User lockout
‘Error number’
prompt.
Replace main
control PCB.
E11 Calibration data lost. Unusable – sensor
readings invalid.
User lockout
‘Error number’
prompt.
Put the unit
into
diagnostics
mode (DIP6
ON) and re-
calibrate O
2
and pressure
sensors.
E12 Configuration DIP settings
and/or PT PRESENT
different to non-volatile
configuration record.
Unusable – possible
incomplete unit set up
performed.
User lockout
‘Error number’
prompt.
Ensure that all
the DIP switch
settings are
correct and
the patient
trigger
board/cable
are correctly
attached (if
required). Put
the unit into
diagnostics
mode, clear
the E12 error,
then return to
normal mode.