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4. TROUBLESHOOTING
PROBLEMS TRY THIS
1. Nothing works. • See if the unit is plugged in.
• See if the unit is receiving power from the
house circuit breaker or fuse.
2. Condensation on windows
(air too humid).
• Operate the unit on maximum speed ventilation
until the situation is corrected.
• 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 outdoors.
• Do not adjust the thermostat of your heating
system below 64°F.
3. Inside air too dry. • Temporarily use a humidifier.
• Operate the unit in recirculation mode (if available).
4. Air too cold at the air supply
grille.
• Check if the exterior hood is not blocked.
• Operate the unit in low speed ventilation, in
intermittent or in recirculation mode (if
available).
• Install a duct heater.
5. The LED of the integrated control
is blinking RED.
a) HRV160 ECM and ERV140 ECM only:
There is a problem with one of the motors.
The unit is OFF. Contact your installer.
b) HRV160: There is a problem with the exhaust
motor. The unit is OFF. Contact your installer.
6. The LED of the integrated control
is blinking GREEN.
• 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 control
is blinking AMBER.
• There is a problem with the motorized damper.
The unit is OFF. For a 2½-hour period, the unit
will try to reset the damper at every 30 minutes.
After 2½ hours, if the problem is not solved, the
unit stops trying to reset damper.
Contact your installer.
8. The integrated control push
button does not work.
• The 30-second boot sequence is not
completed. See point 2.1 on page 4.
If the problem is still not solved, call your installer or the nearest approved Service Center.
Also, you can reach the Customer Service Department at the following phone number:
1-877-862-7626.
8
If the unit does not work properly, reset the unit by unplugging it for one minute and
then replug it. If it still not working properly, refer to table below. First make sure that
the integrated control is set to OFF (no LED lit).
For wall controls problems, refer to the Troubleshooting section in the Main and auxiliary wall
controls user guide (included with the ventilation unit and also available at www.broan.com).
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