Troubleshooting - Broan HRVH100S User Manual

4. T
ROUBLESHOOTING
Shock hazard. Never open the electronic box. No user-serviceable parts
inside. There is a fuse on the electronic board. Never attempt to replace it.
Refer servicing to qualified service personnel.
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.
P
ROBLEMS
1 Unit does not work.
2 Condensation on windows
(air too humid).
3 Inside air too dry
(on cold season).
4 Air too cold at the air supply
grille (on cold season).
5 The LED of the integrated
control is blinking GREEN.
6 The LED of the integrated
control is blinking AMBER.
7 The integrated control
push-button does not work.
For optional 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).
If the problem is still not solved, contact your installer or the nearest approved Service Center.
!
WARNING
Y
OU SHOULD TRY THIS
• 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.
• 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 outside.
• Do not adjust the thermostat of your heating
system below 64°F.
• Temporarily use a humidifier.
• Operate the unit in recirculation mode
(if available).
• Check if the exterior hood are not blocked,
specifically the exhaust air to outside one.
• Operate the unit in low speed ventilation or in
intermittent or recirculation mode (if available).
• 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.
• 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 the damper system.
• Contact your installer.
• The 30-second boot sequence is not completed,
see step 2.1 Booting Sequence on page 4.
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