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24
For the Installer
• Unplug auxiliary controls
• Uplug unit
• Wait 1 minute
• Plug unit back
• Wait 30 seconds – Unit performs boo�ng sequence: LED lights up, you
hear the relays, you see the dampers move
• Once boo�ng sequence is over (a�er 30 sec.), try opera�ng the unit using
the integrated push bu�on.
When hi�ng the integrated push bu�on mul�ple �mes, does the LED go
from OFF to AMBER to GREEN and back to OFF?
Is the power outlet
energized?
No
Refer to an
electrician.
Unit does not work
Yes
Yes
Replace the wall
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
defec�ve. Call
technical support.
Yes
Use a voltmeter.
Is there 120 V
between J9-4 and
J9-1?
No
Yes
Replace the
electronic board.
Use a voltmeter.
Is there 9.5 V
between J8-4 and
J8-5?
No
Replace the
transformer.
Yes
Call technical
support.
S10 ERV 70E ERV
S10 ERV-R 70E ERV-R
LED is OFF
For the following units, see
« Unit does not work » on next
page
S10 ERVplus 70E+
Discon�nue using
the unit and contact
technical support.
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