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20
For the Installer
• Unplug auxiliary controls
• Uplug unit
• Wait 1 minute
• Plug unit back
• Wa it 30 sec onds – Uni t performs boong sequen ce: LE D li ght s up, you
heartherelays,youseethedampersmove
• Once boong sequence is over (aer 30 sec.), try operang the unitusing
the integrated push-buon.
When hing the int egrated push -buon mul pl e mes , does the LE D go
from OFF to AMBER to GREEN and back to OFF?
Is the power outlet
energiz ed?
No
Havean electrician
fix it.
Unit does not work
Yes
Yes
Replacethe
oponalwall
control.
No
Is the fuse on the
electronic board
blown?
Yes
No
Use a voltmeter.
Is there 120 V
at J10?
No
Power cord is
defecve. Call
technical support.
Yes
Use a voltmeter.
Is there 120 V
between J9-4 and
J9-1?
NoYes
Replacethe
electronic board.
Use a voltmeter.
Is there 9.5 V
between J8-4 and
J8-5?
No
Replacethe
transformer.
Yes
Integrated control
LED is OFF.
Integrated control
LED is AMBER and
flashing.
• Unplug auxiliary controls
• Uplug unit
• Wait 1 minute
• Plug unit back
• Wait 30 seconds – Unit performs boong sequence: LED lights up, you hear
the relays, you s ee the dampers move
Oncetheboongsequenceisover(30sec),doestheintegratedcontrolLED
stay RED, and turn AMBER aer 7-8 minutes?
Yes
Change the damper
system.
No
Use a voltmeter.
Is there 24 VAC
between J8-1 and
J8-2 on the
transformer (orange
wires on the
transformer)?
No
Yes
Change the damper.
Change the
transformer.
Blower does not
work
Is the jumper
present on J11?
No
Call technical
support.
Yes
Using a mulmeter, verify that the ohm values on
the motor c onnector are a s foll ows:
For BLUE and BLACK wires: ± 49.5
ohms (K8) and
±
24.5 ohms (K10)
For BLUE and BROWN wires: ± 76.5
ohms (K8 and K10)
For BROWN and BLACK wires : ± 126 ohms (K8) and ± 101 ohms (K10)
Are all the values what they should be?
Yes
Replace the
electronic board.
No
Replace the motor.
VM0011A
Disconnue using
the unit and contact
technical support.
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