280 EN MEDUCORE Standard
2
WM 68401 04/2021
11 Alarms and faults
11.3.2 Battery and charging station
Alarm output too quiet Volume set to 25 %
Increase volume in application
menu (see 9, p. 248).
Increase volume preset in operator
menu (see 13.12, p. 342).
Energy failure/black screen
Battery empty and device not
connected to line power
Check power supply.
Temporary device fault
• Switch device off (see 6.2, p.
119) and back on again (see
6.1, p. 118).
• Carry out a function check
(see 5.2, p. 104).
Device defective Have the device repaired.
Settings cannot be made with the
navigation knob
Loose contact on navigation knob
Have the device repaired.
No gap between navigation knob
and control panel membrane
Device defective
Device failure
• Alarm light flashing
• Audio alarm output
Device defective Have the device repaired.
Fault Cause Remedy
Fault Cause Remedy
Red fault indicator on when status
button on battery is pressed, or red
battery status indicator on device
on
Battery defective Replace battery.
Battery temperature outside the
permitted range (> 70 °C)
Use battery within permitted
temperature range (see 18.5, p.
371).
Battery does not respond when
status button is pressed
Battery has run down completely
and has shut down to prevent
deep discharge
Charge battery in the device for
24 h (see 4.4.2, p. 86). After 24 h:
• Green LED is on: Battery fully
charged and ready for use.
• Red LED or no LED on: Battery
defective. Replace battery.
Charge the battery in the charging
station (see 4.4.3, p. 87): Charging
process takes longer than usual.
Device runtime with battery
operation too short
Battery has reached end of its
service life
Replace battery.
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