Analog Remote Troubleshooting, AirVolution/AirLegacy (Public)

* This guide is intended for current AirVolution/AirLegacy fans. For non-current fan lines, please contact MacroAir Technical Support for wiring diagrams and best practices.

When a fan on an analog remote isn't working, it will typically be one of the following problems:

1. A flashing run light

2. The run light never comes on

3. The speed does not change

The troubleshooting is similar for all of these, with some extra steps thrown in for a flashing run light that you can read in this article.

If a run light never comes on or is flashing, but when you change the speed from the remote potentiometer, you see the frequency (speed) change on the VFD readout, then we need to focus on the 3 wires for the forward/off/reverse switch, which consists of the blue wire on S1, green wire on S2, and blue/white wire on SC on current installations.

If the run light is on or flashing, but the frequency (speed) does not change on the VFD readout, troubleshooting will need to focus on the 3 wires for speed, which consists of the brown wire on A1, the orange wire on +V, and the green/white wire on AC.

Some troubleshooting tips include:

1. Ensure that the VFD is properly programmed for analog. You should NEVER see a Call alarm on analog setups, so that will immediately tell you if your programming is wrong. Please contact MacroAir Technical Support if the VFD programming is suspected to be an issue.

2. Ensure that both the remote and the VFD are wired correctly. The standard wiring diagram for the V1000 is below and can be found in the AirLegacy manual here.

3. Ensure that the technician is out of the swept area of the fan. Remove the 3 wires from the remote switch and tie the blue and blue/white wires together. If the fan has a speed, this should start the fan in the forward direction. Shorting the green and blue/white wire will turn the fan on in reverse.

• If the fan starts in both forward and reverse, there was a wiring issue with the 3-position switch or the switch is defective. Put the wires back on the switch in the correct positions, and if it still doesn't work, the switch needs to be replaced.
• If the fan will start in forward but not reverse (or vice versa), there is likely an issue with the green wire (or blue wire if it started in reverse but not forward). If everything is properly wired on the VFD, contact MacroAir Technical Support to perform a terminal verification.
• If the fan does not start at all, proceed to step 4.

4. Remove all remote wiring from the VFD. Ensure that the technician is out of the swept area of the fan. Place a jumper on the drive between A1 and +V. You should see the speed command on the VFD readout jump up to 60. Place another jumper between S1 and SC to give the fan a forward command. It should start at full speed.

• If the fan starts, there was either a wiring issue or the CAT5 cable is defective. Remove the jumpers and wire the remote cable back into the VFD. If it still does not work from the ground, and did not work when wires were jumped at the ground, the CAT5 cable will need to be replaced.
•  If the run light is flashing and there is a speed command, it's probably fire alarm related. Follow this guide.
• If the run light is flashing and there is NO speed command, try a different jumper in A1 and +V. If there is still no speed, and the VFD is correctly programmed, contact MacroAir Technical Support.
• If the run light does not come on, contact MacroAir Technical Support to perform a terminal verification and other troubleshooting.