TROUBLESHOOTING
Before servicing your HEPA Tower, unplug the Tower to reduce the risk of electrical
shock, injury, fire, and/or circuit board damage.
Your AirScape HEPA Tower has been factory tested. If you encounter problems with the unit,
please take a few minutes to run through the following troubleshooting procedures
before calling for technical support.
NOTE: a “kinked” CAT5E Cable may cause all of the listed symptoms. Use a second short cable and plug the wall
switch (controller) directly into the W/S port on the fan to rule out a cable issue before proceeding.
Symptom: Unit does not start
Possible causes: No power to unit or kinked Ethernet Cable
Suggestion 1: Is the Red LED on the DTC** on? Reset the DTC Power (see Start-Up & Operation).
Suggestion 2: Check the re-settable circuit breaker on fan’s electrical box.
Suggestion 3: Using another CAT5 Cable and connect it to the W/S port on the fanbox and the DTC.
Suggestion 4: Check power (115VAC) at the electrical outlet, inside the fan’s electrical box wiring at both the
power supply (115VAC) and the Fan Box Board* (24VDC inside the fan’s electrical box).
** DTC = Digital Touch Controller
Symptom: Audible “click” but Fan does not start.
Possible causes: Wiring issue between Fan Box Board* and Fan
Suggestion 1: Open Fan’s electrical box and check for power (115VAC) at the fan’s power wires.
Suggestion 2: Check for pwm (control 0-24VDC, 80Hz PWM) signal at fan’s control wire connections on the Fan
Box Board*.
* Fan Box Board, located inside a metal box, located on the fan
Symptom: Wireless remote does not Operate.
Possible causes: Battery, RF interference.
Suggestion 1: Check transmitter’s battery for power. Replace if necessary.
Suggestion 2: Check to see if LED on the remote receiver is lit. Open the cover and see if internal LED’s
respond by pressing a button on the remote.
Suggestion 3: Temporarily replace the CAT5 Ethernet cable.
Suggestion 4: Check for red LED responses on DTC when pressing the remote buttons.
If problems are encountered, please take a few moments to run through the troubleshooting procedures
described on the blue Warranty Card. If these suggestions do not work, contact AirScape technical support
at
for further assistance.
NOTES:
HEPA TOWER Installation and Operation Manual, 0221
©AirScape, Inc., 2021. All Rights Reserved. Page 11
