Welch Allyn Connex Spot Monitor Service Manual page 179

Service manual
Message
SpO2 rebooting. 042900 There is a problem with the SpO2
SpO2 rebooting. 042a00 There is a problem with the SpO2
SpO2 rebooting. 042b00 There is a problem with the SpO2
SpO2 rebooting. 042c00 There is a problem with the SpO2
SpO2 rebooting. 042d00 There is a problem with the SpO2
Possible cause
digital ground
LED ground
reference voltage
DSP core voltage
filtered input voltage
Suggested action
removed. Second, the board has an
actual hardware failure and recovery
is not possible. It is recommended
that the SpO2 module be replaced,
and if problem is still present replace
the monitor's main board.
A malfunction is detected. There are
two possible causes of these
failures. First, the power provided to
the board is out of specification. In
this case, the failure may be cleared
once the underlying cause is
removed. Second, the board has an
actual hardware failure and recovery
is not possible. It is recommended
that the SpO2 module be replaced,
and if problem is still present replace
the monitor's main board.
A malfunction is detected. There are
two possible causes of these
failures. First, the power provided to
the board is out of specification. In
this case, the failure may be cleared
once the underlying cause is
removed. Second, the board has an
actual hardware failure and recovery
is not possible. It is recommended
that the SpO2 module be replaced,
and if problem is still present replace
the monitor's main board.
A malfunction is detected. There are
two possible causes of these
failures. First, the power provided to
the board is out of specification. In
this case, the failure may be cleared
once the underlying cause is
removed. Second, the board has an
actual hardware failure and recovery
is not possible. It is recommended
that the SpO2 module be replaced,
and if problem is still present replace
the monitor's main board.
A malfunction is detected. There are
two possible causes of these
failures. First, the power provided to
the board is out of specification. In
this case, the failure may be cleared
once the underlying cause is
removed. Second, the board has an
actual hardware failure and recovery
is not possible. It is recommended
that the SpO2 module be replaced,
and if problem is still present replace
the monitor's main board.
A malfunction is detected. There are
two possible causes of these
failures. First, the power provided to
Appendix 173
Alarm priority
Very low
Very low
Very low
Very low
Very low