User's Manual Part 7

94 Alarms and Alerts Welch Allyn Propaq LT Vital Signs Monitor
Charger Charger Fault.
Service charger.
Service required.
Charger Disabled.
Battery temperature too high or low.
The battery is too cold or too hot to charge. Normalize the
battery temperature before attempting to charge it.
Battery Fault.
Replace battery.
The battery is missing; the battery is discharged too far to
be charged; the charger has timed out; a cell in the battery
pack is overcharged due to cell imbalance; the fuse is
blown. Service required.
SpO
2
SpO
2
Fault.
No sensor detected.
An SpO
2
sensor has been disconnected from the monitor
after being connected for more than a few seconds.
SpO
2
Fault.
Defective SpO
2
sensor.
Replace the sensor.
Resp Resp Fault.
Lead fail.
One or more electrodes have very poor or no contact. Check
for proper connection; replace electrodes if needed.
Resp Fault.
Noisy signal.
Check electrodes.
Electrodes have poor contact and might be dried out.
Replace electrodes.
Resp Fault.
Inappropriate ECG cable.
The ECG cable does not contain 1 kΩ current
-limiting
resistors, which are required for Resp operation and to
protect the monitor from damage during defibrillation.
Replace the cable with one of the proper type.
General Multiple Faults. Multiple equipment alerts have been triggered
simultaneously.
WARNING If you acknowledge this alert message
before determining which alerts are triggered, you
cannot identify individual alerts.
Table 9. Alert Messages and Status Messages (continued)
Alert Type Message Possible Cause and Suggested Response