Symptoms and solutions
Symptom Possible cause Suggested action
General
The device does not power up. A new battery was installed. Connect AC power to wake up
the battery.
The battery is discharged. Connect AC power to charge the
battery.
The power switch is defective. Replace the power switch.
The power supply is defective. Check the output voltage on the
power supply. The voltage should
be 15 V ± 0.45V DC. If it is not,
replace the power supply.
The battery is dead or defective. Charge the battery for 5 hours. If
the battery icon on the display
still shows an empty battery
symbol, replace the battery.
The main board is defective. Replace the main board.
The touchscreen is unresponsive. Touchscreen needs calibration. Calibrate the touchscreen.
Run the Host Calibration
Sequence from the Service Tool.
Replace the LCD / touchscreen.
Replace the main board.
The device does not signal alarm
conditions for the Nurse Call
option.
Alarm limit settings are set too high or too low. Adjust the alarm limit settings.
Audio alarms have been silenced. Turn on audio alarms.
A hardware component has failed. Run the Host Calibration
Sequence from the Service Tool.
Replace the main board.
The device is powered on but the
display is blank.
The device is in Sleep mode. Touch the screen.
A hardware component has failed. Run the Host Calibration
Sequence from the Service Tool.
Replace the LCD / touchscreen.
Replace the main board.
Bluetooth®
The monitor cannot connect with a
Bluetooth device.
A pairing issue occurred. Pair the monitor to the device.
Service manual Appendix 151
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