Honeywell 69-2480EF05 Ventilation Hood User Manual


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Troubleshooting
Problem Recommended Troubleshooting Steps
ERV/HRV unit not running 1. Verifypolarizationofelectricalreceptacle.
2. Verifybreakerinelectricalbox.
3. Verify that the external control or mode selector are activated
to call for ventilation.
4. Unplug the unit and verify that the external control(s) are wired
correctlytothewiringterminalblock.
Air is too dry 1. Increase humidity level on the dehumidistat.
2. Switch ventilation mode from continuous to intermittent.
3. Install a humidifier.
Air too humid 1. Reduce the humidity level on the controller.
2. Make sure that the clothes dryer is vented to the outdoors.
3. Waitforoutsidetemperaturetochange.Forexample,itcanbe
very humid at times in the summer.
4. VerifybalancingoftheERV/HRVunit(seeBalancingStepson
page 25).
LED on control panel remains
green
If the LED light on the ERV/HRV control panel remains green, the
motorsdonotenergize,andthecontrolsdonotoperate.Thiscan
indicatethatthePolarizationinthemainACoutletisinverted
CAUTION: Servicing the ERV/HRV unit with its electrical circuitry can cause personal
injury. Always make sure that power to the unit is disconnected prior to making any
connections. Failure to disconnect the power could result in electrical shock. Service
should only be performed by a qualified service technician.
TrueFRESH™ ERV/HRV Ventilation Systems 69-2480EF—05 29
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