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Verify wireless pairing (cont.)
Interpreting the R2500 Indicator LEDs
LED indicator lights on the R2500 may also be used to diagnose communication errors.
Use the following table to interpret the R2500 LEDs.
If R2500 LED...
Blinks once
Blinks twice
Blinks intermittently R2500 is receiving invalid messages that may be caused by
If replacing either the T2500 or the R2500, follow these instructions:
A brief connection process must be performed that erases all previously paired devices
from the R2500 memory. Hold the CONNECT button down until all the LED lights begin to
fl ash (about 10 seconds). Wait until all three LEDs stay lit for one (1) second and begin to
fl ash. Begin the pairing process again at section
6. Mount the T2500 onto the backplate
1. Attach thermostat by sliding the mounting tabs (on its reverse side) down
onto the hinge pockets on the backplate (see Fig. 12-13). Make sure that
thermostat's pins on reverse fi t securely into the terminal block on backplate.
2. Install retaining screw provided with the mounting hardware (see Fig. 12).
Note: Inserting the retaining screw is recommended to assure thermostat
is securely attached to the wall.
Figure 12.
Mount thermostat onto
backplate (frontal view).
Use retaining screw shown
here.
© COPYRIGHT 2010 PECO, INC. ALL RIGHTS RESERVED. P/N 70161 3220-2216 Rev 0
Interpretation
R2500 is receiving valid messages from another device.
R2500 is receiving invalid messages from another device.
an excessive amount of obstruction between the R2500 and
other wireless paired devices; or from excessive interference
from other wireless devices. Note: If the R2500 LEDs indicate
invalid messages frequently, review for help the following
sections: "Install R2500 Receiver" or "Frequently asked
questions & troubleshooting."
13
"5. Establish a wireless
Figure 13.
Mount thermostat onto
backplate (reverse view).
connection."
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