Troubleshooting

TEST MODE

1.Press and hold the ON button for 5 seconds to enter Test Mode.. a. Verify all LCD segments blink every second.

b.. Verify humidifier turns on..

2.After 5 minutes or after pressing the OFF button, the control will enter Off mode.. Verify the humidifier turns off..

HUMIDITY SETTING

•The control must be ON to adjust the humidity setting.

•The (up) and (down) buttons are used to increase or decrease the humidity setting..

•The first press of either button will display the current setting on the LCD display and SET will be displayed below the % sign..

•Each subsequent push of the up or down buttons will change the setting by 1%.

•If a button is held down, the setting will continually change by 1% every 1/2 second for as long as the button is pressed..

•The control will return to Normal Mode, displaying the measured humidity, 5 seconds after the last button press/release..

TURNING ON AND SETTING CONTROL

1.Press the ON button..

2.Use the buttons to set the control at 30%..

Increasing the humidity setting will increase humidifier run time, resulting in higher humidity levels..

Decreasing the humidity setting will decrease humidifier run time, resulting in lower humidity levels..

SEQUENCE OF OPERATION

Normal Mode

•When the measured humidity is lower than the setting, the control will activate the humidifier, and ON will blink on the LCD display.

•When the measured humidity increases to 3% RH above the setting, the control will deactivate the humidifier, and the LCD will display a solid ON..

Operating Limits

•If the control senses temperature below 40°F or above 99°F, the control will not allow the humidifier to operate, and ON and * will blink on the display.

•The control will resume normal operation once the temperature is within the specified limits.

OFFSET

An offset can be applied to the humidity reading to avoid discrepancies with other humidity measuring devices in the home. Allow 48 hours for the control to acclimate before applying an offset.. The control must

Figure 9 – Offset Screen

Technical Support is available Monday through Friday, 7:00 a..m.. to 5:00 p..m.. CST, at

(800)334-6011. Use the guide on the following page to help find and correct system faults.

Contact Technical Support before replacing the control or for additional troubleshooting..

be ON to enter the Offset screen..

•Press and hold the OFF button for 5 seconds to enter the Offset screen.. See Figure 9..

•The buttons can be used to set an offset value between -5% RH and +5% RH..

•The control will return to Normal Mode, displaying the measured humidity, 5 seconds after the last button press/release..

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ERROR CODES

When the control detects an internal error, it will stop controlling, deactivate the humidifier, and the LCD will display the Error Code.. See Figure 10.. The control will attempt to recover from the error every 10 minutes.. The Error Code will continue to be displayed as long as the error condition exists. Button presses are not registered when in Error Mode.. Cycling power to the control will not clear the code and the control will need to be replaced..

Figure 10 – Error Code Screen

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65 specifications

The Aprilaire 65 is a high-performance dehumidifier designed for residential use, providing effective moisture control to enhance indoor air quality and comfort. Its main features and technologies make it an ideal choice for homeowners looking to manage humidity levels efficiently.

One of the standout characteristics of the Aprilaire 65 is its ability to remove up to 70 pints of moisture from the air each day, making it suitable for medium to large spaces. This powerful performance helps prevent the growth of mold, mildew, and dust mites, which thrive in high-humidity environments. With the Aprilaire 65, homeowners can ensure a healthier living space, particularly in basements, crawl spaces, or any areas prone to dampness.

The unit is equipped with a built-in humidistat that continually monitors humidity levels, allowing for automatic operation based on the desired settings. Users can easily adjust their humidity preferences through an intuitive interface. When humidity levels rise above the set point, the dehumidifier activates automatically, ensuring that indoor conditions remain comfortable without the need for constant manual intervention.

Another notable feature is its compact and efficient design. The Aprilaire 65 is engineered for quiet operation, allowing it to work discreetly in the background without disrupting daily activities. Additionally, it incorporates an easy-to-clean air filter that helps maintain optimal performance while ensuring clean air circulation.

Installation is straightforward, with options for both manual drainage and a continuous drainage solution that allows for hassle-free operation. The continuous drain option is particularly beneficial for larger spaces, as it eliminates the need to frequently empty the collected water.

The Aprilaire 65 is constructed using durable materials, promising long-lasting reliability designed to withstand the rigors of daily use. It is also Energy Star certified, which means it operates efficiently, helping to lower energy bills while contributing to energy conservation.

In conclusion, the Aprilaire 65 dehumidifier combines robust moisture removal capabilities with user-friendly features and technologies, making it a smart choice for any household seeking improved air quality and comfort. By effectively managing humidity levels, it helps create a healthier living environment, free from the issues associated with excess moisture.