Troubleshooting; Caring For Your Energy Meter; Technical Specifications - LEGO Renewable Energy Meter Getting Started

Troubleshooting

The display goes blank
The Energy Meter is designed to turn itself off after 15 minutes of inactivity. If the display remains
blank after turning the Energy Meter back on, ensure the Energy Storage is connected correctly
and is fully charged.
The Energy Meter will not charge
Check that the power source is connected correctly to the Energy Meter via the Input plug. If it is,
connect a different Energy Storage to determine if the Energy Meter is faulty.
The Energy Meter will not start up
Remove the Energy Storage from the Energy Display, wait 5 minutes, reinstall the Energy Storage
and then charge the Energy Meter.
Connected elements are not being powered
Check that the element is connected correctly to the Energy Meter via the Output plug. Ensure
that the directional control switch is not set to off. Ensure the Energy Storage has sufficient
charge.

Caring for your Energy Meter

The life of your Energy Meter is affected by how it is used, maintained and stored. Follow the
guidelines below to ensure that you get the most out of your Energy Meter:
Do...
• Store the Energy Meter at room temperature in a clean, dry environment
• Recharge the Energy Storage before every use
• Disconnect it after use
Do not...
• Use excessive force when operating the Energy Meter or when connecting elements to it
• Mishandle or drop the Energy Meter or submerge it in water
• Exceed the maximum 10 V supply voltage
• Overload the Energy Storage
• Short circuit the Energy Storage

Technical Specifications

Input voltage
. . .................................................................
Input current
. . ..................................................................
Input wattage
. . ..............................................................
Output voltage
. . .........................................................
Output current
. . ..........................................................
Output wattage
. . ......................................................
Accumulated joules
.....................................
Energy Storage
. . ......................................................
LEGO, the LEGO logo, MINDSTORMS and the MINDSTORMS logo are trademarks of/sont des marques de commerce de/son de marcas registradas
de LEGO Group. ©2010 The LEGO Group.
0.0 - 9.9 V
0.000 - 0.200 A
P = V x I
0.0 - 9.9 V
0.000 - 0.450 A
P = V x I
0 - 100 J
150mAh
INFO
At least 1 J of energy
must be stored before
power can be drawn from
the Energy Meter
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