Tekmar 481 User Switch Installation Manual do Utilizador Página 11

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11 of 12 © 2009 D 481 - 07/09
Error Messages
Error Messages
Symptom Cause Corrective Action
3 Buttons
Flashing Red
User
Button
1
User
Button
2
User
Button
3
User Switch
disconnected from
tN4 bus.
Check tN4 and common wires for
loose wire connections.
Ensure the tN4 controls have power.
Check R and C wires for correct
polarity.
1 Button
Flashing Red
User
Button
1
User
Button
2
User
Button
3
User
Button
1
User
Button
2
User
Button
3
User
Button
1
User
Button
2
User
Button
3
or or
The User Button
is configured for
setpoint device
enable operation
and there is no
response from the
tN4 setpoint control.
Ensure the setpoint device has
power and is connected to the tN4
bus.
Ensure the setpoint device enable
number of the User Button and of
the tN4 setpoint control match.
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