13. Troubleshooting
If a problem occurs with the displaying unit, please use this troubleshooting guide to identify
the cause and correct the error. If the problem cannot be resolved by the actions in the
troubleshooting guide, contact your local Ambu representative.
Many problems can be solved by restarting the displaying unit through a Power OFF Cycle.
This can be done in 3 different ways, and should be tried in the following order:
Power OFF Cycle
NOTE: Do not power off the displaying unit during the software update/upgrade download
and installation process!
Restart the displaying unit
1. Press the power button to put the displaying unit in STANDBY mode (power button
turns orange).
2. When the displaying unit is in STANDBY mode, press the power button again to turn
it back ON (power button turns green).
If the displaying unit does not enter STANDBY mode, force it to completely turn OFF
(no light in power button)
3. Press the power button for 10 seconds to force it to completely turn OFF.
4. Press the power button again to turn the displaying unit back ON.
If restart and complete turn OFF does not work, reset displaying unit hardware
5. Disconnect the power cable from the displaying unit.
6. Wait at least 10 seconds before reconnecting the power cable.
7. Press the power button to turn ON the displaying unit.
Problem Possible cause Recommended action
The displaying unit
does not turn ON
when the power
button is pressed.
The displaying unit is not
connected to power.
Ensure that the light indicator
in the power button lights up
when the displaying unit is
connected to power.
Connect the power cable to the
displaying unit and to a power
outlet. Make sure the power
outlet is turned on.
The displaying unit does not
turn ON even though the
power is connected.
Perform a Power OFF Cycle
(follow the procedure above
this table).
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