Venmar HRV CONSTRUCTO 2.0ES User Manual

17
For the Installer
12. TROUBLESHOOTING
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
LED flashes GREEN (double blink) Thermistor error Replace the thermistor kit.
LED flashes AMBER Damper error Go to page 18 "Unit does dot work".
⚠WARNING
A few diagnosis procedures may require the unit to be in operation while proceeding. Open the unit door and
bypass its magnetic switch by putting the door white magnet on it. Be careful with moving and/or live parts.
Altude or
Planum wall
control does not
display the outdoor
temperature
Is the unit’s
integrated push-
buon set to off?
No
Push on the
integrated push-
buon unl the LED
indicator of the
integrated control
turns OFF
Yes
• Reset control:
simultaneously
press and hold
both arrow keys
for 8 seconds
• Unplug unit
• Wa it 1 minute
• Plug unit back
• Using the wall
control, put unit in
VENT mode at
MIN or MAX
seng
• Wa it 5 minutes
Is temperature now
displaying?
Are both ends of
the control’s RED
wire properly
connected?
Yes
No
Restore proper
connecon
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
• Wa it 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 seque nce 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 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 conneconsYes
Use a voltmeter. Is
there 8-12 VDC
betwee n BLACK and
YELLOW?
Yes, but
problem not
solved.
Change the wall
control.
No
Test the wall control
using a ne w 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?
Yes
No
Change the
electronic board.
Wire or control is
defecve.
VM0008A

Venmar HRV CONSTRUCTO 2.0ES Specifications

General

Brand	Venmar
Model	HRV CONSTRUCTO 2.0ES
Category	Ventilation Hood
Language	English