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Identifying the power supply
The back panel of the appliance contains the power supply units, as highlighted in yellow in Figure 1.
Figure 1. Location of the power supply units on the back of the appliance
Identifying a failed power supply
The power supply unit uses an LED to indicate whether the unit is working as expected. The power
supply LED is located directly above the power cord connector, as shown in Figure 2:
Figure 2. Location of the power supply LED
The following table explains the different states of the power supply LED and suggests actions to solve
issues with the power supply:
Table 1. Different states of the power supply LED
Power supply LED status
Off
Flashes green once every second
Flashes red 3 times a second
Solid green
2
Possible condition
No power is going to the appliance,
or there is a problem with the power
source.
The power supply is operational, but
the appliance is in standby.
The power supply is faulty.
The power supply is operating
normally.
Action
1. Check the power that is going to
the appliance.
2. Make sure that the power cord is
connected to a functioning power
source.
3. Turn off the appliance and then
turn the appliance back on.
4. If the problem remains, replace
the power supply.
Note: This condition is normal when
no power is present.
No further action needed.
Replace the power supply.
No further action needed.
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