Welch Allyn Spot Vital Signs 4400, Service Manual

Page: 117 / 132

Message Possible cause Suggested action
module has been
detected.
Temperature not functional. 030518 The temperature module
power rail is too low.
Internal malfunction. If the problem persists,
have the device inspected by a qualified
service technician.
Temperature not functional. 030519 The temperature module
power rail is too high.
Internal malfunction. If the problem persists,
have the device inspected by a qualified
service technician.
Unable to detect new temperature.
Retry measurement. 03051A
The temperature module
reference voltage circuit
was detected to be
under voltage or
unstable.
Probe malfunction. If problem persists,
replace probe. If the problem persists, have
the device inspected by a qualified service
technician.
Ambient temperature out of range.
Clear to retry. 030801
The temperature module
measurement is below
the allowable
temperature values and
beyond the low ambient
or patient limits.
Verify conditions are greater than 50 °F or 10
°C. If conditions are valid and the problem
persists, replace the probe. If the problem
persists, have the device inspected by a
qualified service technician.
Ambient temperature out of range.
Clear to retry. 030802
The temperature module
measurement is above
the allowable
temperature values and
beyond the high ambient
or patient limits.
Verify conditions are less than 104 °F or 40 °C.
If conditions are valid and the problem
persists, replace the probe. If the problem
persists, have the device inspected by a
qualified service technician.
Temperature not functional. 030803 The temperature module
internal calibration
resistor (RCAL) on the
board is damaged or
contaminated (pulse too
long).
Internal malfunction. If the problem persists,
have the device inspected by a qualified
service technician.
Temperature not functional. 030804 The temperature module
internal calibration
resistor (RCAL) on the
board is damaged or
contaminated (pulse too
short).
Internal malfunction. If the problem persists,
have the device inspected by a qualified
service technician.
Temperature not functional. 030805 The temperature module
internal circuit validation
resistor (PTB) on the
board is damaged (value
is over).
Internal malfunction. If the problem persists,
have the device inspected by a qualified
service technician.
Temperature not functional. 030806 The temperature module
internal circuit validation
resistor (PTB) on the
board is damaged (value
is under).
Internal malfunction. If the problem persists,
have the device inspected by a qualified
service technician.
Ambient temperature out of range.
Clear to retry. 030807
The temperature module
A/D measurement timed
out
Verify conditions are greater than 50 °F or 10
°C. If conditions are valid and the problem
persists, replace the probe. If the problem
Service manual Appendix 113