17
Troubleshooting
Q. My meter does not resemble the diagram, where do I locate the sensor?
A. The meter diagram shows the most common fuse/meter setup. Not all properties will
match the diagram. The sensor is best located on the live cable coming from the meter.
If you are unsure which this is you can try a number of cables and check the display for
readings each time. The display will need to be paired to the transmitter before you will
see any readings.
Q. How far does the device transmit?
A. The npower home energy monitor is designed to operate in a home environment
over a range of 30 metres with two walls in between the transmitter and display unit.
The 868MHz band is well suited for in-home use. This can cover three floors, and is
also well suited to properties where meters are outside the main building.
Q. Why won’t my display and transmitter communicate?
A. If the units are further apart than 30 metres, you may need to bring them closer
together to communicate. There are other reasons for the units not communicating:
• There is radio interference - this is unlikely in a home environment, but try moving
both the transmitter and display away from any possible source of interference.
• The batteries in the transmitter are flat – check the LED light illuminates
brightly when the batteries are inserted. Try using new batteries. Do not use
rechargeable batteries.
• The transmitter is inside a metal meter cabinet - the transmitter can’t communicate
with the display unit through metal. Safety reminder - DO NOT pull, tamper
with or cut any cables around your meter. The transmitter can withstand drips
but is NOT waterproof so DO NOT place the transmitter outside of an external
meter cabinet.
Q. Why is the communications symbol flashing?
A. The communications symbol will flash if:
• The display unit and transmitter are unable to communicate (see above).
• The display unit is receiving data from two transmitters. This can be solved by pairing
the display with the transmitter again. This will eliminate the other transmitter.
Q. Why is the battery symbol flashing?
A. The batteries provided should last for at least two years. Toward the end of their
life the battery symbol will flash to let you know to replace them. Make sure you
use AA batteries (LR6 or R6). Do not use rechargeable batteries.
RF10135 npm9738 Piccolo guide 01 12.indd 17 13/02/2012 15:58
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