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26
For the Installer
Unit does not work.
LED flashes RED
2 blinks every second.
This code informs you that your unit is in
defrost protec�on mode. This can be
normal if the weather condi�ons are the
following:
• Outdoor temperature of -25 °C and below
• and/or
• Indoor temperature of 18 °C and below
Are these the actual condi�ons?
Yes No
Make sure that the
indoor T° is at least
18°C. Otherwise,
the defrost
will end when the
outdoor
temperature rises.
• Unplug auxiliary controls
• Uplug unit
• Wait 1 minute
• Plug unit back
• Wait 30 seconds – Unit performs boo�ng
sequence.
• Once the boo�ng sequence is over, press
and hold the integrated push bu�on for
7 seconds. Observe the LED.
Is the LED s�ll flashing RED fast?
NoOui
Call customer
service.
Problem solved.
S10 ERV 70E ERV
S10 ERV-R 70E ERV-R
S10 ERVplus 70E+
SERVICE TECHNICIANS ONLY: If you require assistance or have questions after performing the above troubleshooting, call: 1-800-649-0372.