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Troubleshooting

Something not behaving? Start here.

warning

If the traffic signal is doing something unexpected, stop sending commands and follow your agency's procedures first. Troubleshoot the equipment after the intersection is safe.

Quick Checks​

Most field issues come down to one of these:

  • Is the receiver powered on, with battery to spare?
  • Is the cabinet actually switched to manual?
  • Is the signal cable fully seated at both ends?
  • Does the status bar look normal — no red battery, no fast-flashing blue light?

Receiver Won't Power On​

The battery is probably empty. Plug in any USB-C power source — the included Anker battery pack, a phone charger, a car charger — let it charge for a few minutes, then switch it on. If the screen stays dark even on power, contact support.

Signal Doesn't Advance​

First, confirm the command is actually going out: when an advance fires, the receiver clicks audibly, the traffic-light icon appears in the status bar, and the blue light pulses twice.

If the command fires but the lights don't change:

  1. Double-check the cabinet is in Manual / Hand Control.
  2. Re-seat the signal cable at the receiver and at the cabinet port.
  3. Remember the controller may just be finishing a pedestrian countdown or clearance interval — give it a moment. See How Signal Timing Works.

If the command doesn't fire at all:

  1. Check the battery — at 0% the receiver stops sending commands and fast-flashes the blue light. Plug in USB-C.
  2. Try the Manual Control screen instead of the remote.
  3. Still nothing? Contact support.

Remote Doesn't Work​

  1. Press the button — does the LED ring light up at all? If not, the AA batteries are dead. Replace the set.
  2. If the ring strobes rapidly (command failed), move closer to the receiver and try again.
  3. Check the remote is actually paired: Settings > Paired RF Remotes. Its card flashes when you press the button — if it's not listed, pair it.
  4. All four remote slots full? Delete an unused remote, then pair this one.

Bluetooth Won't Connect​

  1. On the Bluetooth screen, make sure the toggle is on.
  2. Tap Pair a Device and retry from the app while the window is open.
  3. Still stuck? Settings > Clear Bluetooth Devices, then forget the old pairing on the phone too, and pair fresh. (The receiver will show up under a new name.)

The app has its own troubleshooting page for phone-side issues: App Troubleshooting.

Locked Out of the Touchscreen​

Tap Unlock and enter the 4-digit PIN. Forgot it? Contact us for help. See PIN Lock.

Screen Is Dark​

The display sleeps to save power; the receiver is still running. Tap once to wake the screen, then tap again to press controls. You can change the sleep timing in Settings > Screen Off After.

"There was a problem." Screen​

This screen appears if the receiver hits an internal fault it can't recover from on its own.

Keep the device powered, note the message shown, and try a power cycle. If the screen comes back, contact support with the message you recorded.

Fault Code on the Home Screen​

If the home screen shows a panel reading Fault code: 0x—, one of the receiver's internal subsystems didn't start. The receiver keeps running — the code just tells you which feature is affected:

CodeWhat's unavailable
0x01Battery monitoring
0x02Bluetooth
0x04RF remotes
0x03Battery monitoring + Bluetooth
0x05Battery monitoring + RF remotes
0x06Bluetooth + RF remotes
0x07All three

Battery monitoring (0x01) — almost always seen after powering on with a completely drained battery: the battery gauge can't start until the battery has recovered a little charge. Leave the receiver on the charger for a few minutes, then power-cycle it, and the fault clears. While this fault is showing, the battery percentage is hidden, but signal control works normally.

Bluetooth (0x02) — the phone app can't connect, but signal control and RF remotes are unaffected. Power-cycle the receiver.

RF remotes (0x04) — handheld remotes won't be received, but the touchscreen's Manual Control still works. Power-cycle the receiver.

If a code comes back after a power cycle (for 0x01: on a charged battery), contact support and mention the code you're seeing.

Firmware Update Won't Complete​

Keep the device powered, give it a minute to recover, and retry from the app. A failed update doesn't harm the receiver — it keeps running its existing firmware. If updates repeatedly fail, contact support.

Still Stuck?​

We're happy to help — see Warranty and Support for phone, text, and email contact details.