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Broan 44162 Venmar AVS K Series ERV 78 CFM 66% SRE Top ports

Installation Guide - Page 19

For 44162.

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19
For the Installer
11. TROUBLESHOOTING
Please start any troubleshooting by resetting the unit. To do so, unplug the unit, wait one minute, and plug it back. If the issue
persists, refer to the table below.
If the integrated LED of the unit is flashing, the unit sensors detected a problem. See the table below to know more about the nature of
the problem.
LED Signal Error Type Action Unit Status
LED flashes GREEN Thermistor error Replace damper system. Unit works but will defrost frequently
LED flashes AMBER Damper error Go to page 20 Unit does not work
Altude or
Planum wall
control does not
display the outdoor
temperature
Is the unit’s
integrated push-
buon set to off?
No
Push on the
integrated push-
buon unl t he LE D
indicator of the
integrated control
turns OFF
Yes
• Reset control:
simultaneously
pressand hold
both arrow keys
for 8 seconds
• Unplug unit
• Wait 1 minute
• Plug unit back
• Using the wall
control, put unit in
VENT mode at
MIN or MAX
seng
• Wait 5 minutes
Is temperature now
displaying?
Are both ends of
the control’s RED
wire properly
connected?
Yes
No
Restore proper
connecon
Yes
No
Change the wall
control
Problem solved
Wall control does
not work
Is the power outlet
energized?
No
Refer to an
electrician
Yes
• 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 operang the unit
using the integrated push-buon .
When hing the integrated push -buon mul pl e mes , doe s the LE D go
from OFF to AMBER to GREEN and back to OFF?
Yes
Are the wall control
wires properly
connected? Pay
special aenon to
the BLACK and
YELLOW wires.
No
The problem is not
the wall control.
Proceed to
appropriate
troubleshoong.
No
Restore conneconsYes
Use a voltmeter. Is
there 8-12 VDC
between BLACK and
YELLOW at the unit?
Yes, but
problem not
solved.
Change the wall
control.
No
Test the wall control
using a new wire.
Does the wall
control now work?
No
Change the wall
control.
Yes Change the wire.
Push-buon mer
does not work
(no light)
At unit, jump
OL and OC on the
green connector.
Does unit now work?
Wire or control is
defecve.
Yes
VM0006A
No
Change the
electronic board
Risk of electric shocks. Electronic board connections must be checked by qualified personnel only.
WARNING
!
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