23
7. T
ROUBLESHOOTING
If the unit does not work properly, reset the unit by unplugging it for one minute and then replug it. If it is still not working
properly, refer to table below.
Problems
You should try this
1
The error code E1 or E3 appears on wall control
screen.
• Reset the unit by unplugging it for 30 seconds.
• If the problem is not solved, contact Venmar or Broan-NuTone customer
service, according to your unit model.
2
Unit does not work.
• See if the unit is plugged in.
• Check if the upper left port is free from packaging material.
• See if the unit is receiving power from the house circuit breaker or fuse.
3
Condensation on windows (air too humid).
• See Control section, specially 4.6.1 Operation modes on pages 16 and 17.
• Leave curtains half-open to allow air circulation.
• Store all firewood in a closed room with a dehumidifier or in a well ventilated
room, or store the wood outside.
• Do not adjust the thermostat of your heating system below 18°C (64°F).
4
Inside air too dry (on cold season).
• Temporarily use a humidifier.
• See Control section, specially 4.6.1 Operation modes on pages 16 and 17.
5
Air too cold at the air supply grille (on cold season).
• Check if the exterior hood is not blocked, specifically the top grille.
• Set the unit in AUTO or ECO mode. See Control section, 4.6.1 Operation
modes on pages 15 and 16.
• Change the defrost cycle of the unit to PLUS. See 4.2 Defrost Cycles on
page
13.
6
The LED of the integrated defrost control is blinking
GREEN.
• Reset the unit by unplugging it for 30 seconds.
• If the problem is not solved, there is a problem with the thermistor.
The unit is still working
, but will defrost frequently. Contact your installer.
7
The LED of the integrated defrost control is blinking
AMBER.
• Reset the unit by unplugging it for 30 seconds.
• If the problem is not solved, there is a problem with the damper system.
The unit is OFF.
For a 5-hour period, the unit will try to reset the damper system
every 30 minutes. After 5 hours, if the problem is not solved, the unit stops
trying to reset damper system.
• Contact Venmar or Broan-NuTone customer service, according to your
unit
model.
8
The integrated defrost control push-button does not
work.
• The 30-second boot sequence is not completed, see step 4.1 Booting
Sequence on page 13.
If the problem is still not solved, call your installer or the nearest approved Service Center. Also, according to your unit model, you can
reach the corresponding Customer Service Department Team at one of the following phone numbers:
Exclusively for EVO5 500 HRV and EVO5 700 HRV HEPA units:
Venmar Ventilation Inc.
1-800-567-3855
Exclusively for HRV 5.1 and HRV 7.1 HEPA units:
Broan-NuTone Canada Inc.
1-866-737-7770
