BCX-SVX002A-EN
125
Figure 102. Receiver for all fan coil models showing
LED locations
HEATING SET
FAN/SYSTEM
SETPOINT
ZONE
GND-SIGNAL
24VAC/DC
GND-POWER
COMM +
COMM -
S5
POWER
LED5
LED1
LED2
LED3
SIGNAL
ADDRESS
S1 S2
S3
J1
C33
S4
LED4
WIRELESS
INSTALL
J2
1
C34
C35
R77
Pb-FREE
LED1
LED2
LED3
LED5
The sensor for a wireless zone sensor (WZS) has four
LEDs: LED1, LED2, LED3, and LED5 and a test button.
The following figure shows their locations.
Figure 103. WZS showing LED locations and test
button
LED1
LED2
LED3
LED5
LED1
LED2
LED3
SIGNAL
LED5
WIRELESS
INSTALL
BATTERY
STATUS
B1 +
ADDRESS
S1
S2
S3
Pb-FREE
STATUS
S4
J1
B2 -
LED4
Test button
The sensor for a wireless display sensor (WDS) has test
symbols and error codes that appear on the display, and a
test button. See the following figure.
Figure 104. Wireless display sensor (WDS) shows
test symbols and error codes
.
Test symbols
Error code
Test button
Receiver Diagnostics
LED1, LED2, and LED3, located on the receiver of all
models respond to diagnostics by exhibiting specific
blinking patterns. They respond independently of any user
action (see the following table).
Diagnostics and Troubleshooting
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