Troubleshooting and common questions
Start with the seismometer’s LED. You can identify most situations from the LED pattern. On an ES-Pro you can also look at the screen. For what each screen means, see ES-Pro screens.
| LED | Meaning | What to do |
|---|---|---|
| Off (power indicator is on) | Normal operation | Nothing to do |
| Slow blink, without a pause | Connecting to Wi-Fi | Wait. If it continues for a long time, see “The LED keeps blinking slowly after setup” below |
| Fast blink | Pairing mode, waiting for Wi-Fi setup | Set up Wi-Fi with ExpTech Home |
| Steady on | BLE OTA mode, waiting for a firmware update | Update the firmware with ExpTech Home. If you are not updating, unplug the power and plug it back in |
| Two blinks, then off, repeating about every 4 seconds | Sensor error | Unplug the power and plug it back in. If it is still doing this, contact ExpTech |
Common questions
Section titled “Common questions”ExpTech Home cannot find the seismometer
Section titled “ExpTech Home cannot find the seismometer”- Bluetooth is off during normal operation. The app can find the seismometer only in pairing mode (LED blinking quickly) or BLE OTA mode (LED steady on). Put it into the mode you need first.
- Confirm that the phone has Bluetooth and location turned on, and that ExpTech Home is allowed to use them.
- Move the phone closer to the seismometer, then tap 「重新掃描」.
My network is not in the Wi-Fi list
Section titled “My network is not in the Wi-Fi list”- The seismometer supports 2.4 GHz only. If the router has only 5 GHz turned on, turn on 2.4 GHz.
- A hidden network does not appear in the list. Enter the network name with 「手動輸入」.
- Tap 「重新整理」 to scan again.
The LED keeps blinking slowly after setup
Section titled “The LED keeps blinking slowly after setup”The seismometer cannot join Wi-Fi. Common causes are a wrong password, a signal that is too weak, public Wi-Fi that requires a web login, or a phone hotspot. Hold the reset button for about 5 seconds to clear the settings, then set it up again with ExpTech Home.
You replaced the router or changed the Wi-Fi password
Section titled “You replaced the router or changed the Wi-Fi password”The seismometer does not switch to the new network on its own. Hold the reset button for about 5 seconds, until the LED blinks quickly, then set it up again with ExpTech Home.
No seismic intensity right after it boots
Section titled “No seismic intensity right after it boots”This is normal. After it boots, the seismometer must collect 60 seconds of data before it starts calculating intensity. During that time, ES-Pro shows the collection percentage.
The version did not change after a firmware update
Section titled “The version did not change after a firmware update”The new firmware is confirmed only after it runs continuously for 5 minutes. If you cut power or restart before that, the seismometer returns to the old version. Update it again, and leave it powered for at least 5 minutes after it finishes.
The ES-Pro screen is black after updating to 26w41a
Section titled “The ES-Pro screen is black after updating to 26w41a”26w41a misidentifies some older boards as another hardware version, so the screen cannot display anything. Updating to a newer firmware restores the screen on its own. While the screen is black, you can still press and release the reset button to enter BLE OTA mode and update with ExpTech Home.
ES-Pro shows Register failed. Device unauthorized.
Section titled “ES-Pro shows Register failed. Device unauthorized.”The ExpTech server did not accept this seismometer’s registration. Contact ExpTech, and provide the device ID from the boot screen.
ES-Pro shows Version rollback detected. Halted.
Section titled “ES-Pro shows Version rollback detected. Halted.”The seismometer installed firmware older than the previous version, so it stopped. Flash the latest version with the USB recovery tool to restore it. ES-Net has no screen. In the same situation, its LED stays on.
The computer cannot find the seismometer serial port
Section titled “The computer cannot find the seismometer serial port”- Use a different USB Type-C cable that can carry data. Some cables only charge.
- Try another USB port, or unplug a USB hub and connect directly to the computer.
- Install the driver for the USB-to-serial chip. Depending on the hardware version, the seismometer uses a CP210x or CH340 chip.
- Only one program can use a serial port at a time. Close QuakeWatch-Pro, the recovery tool, and any other program, then try again.
Contact ExpTech
Section titled “Contact ExpTech”If none of these steps fixes it, go to Discord or write to [email protected], and include:
- The model (ES-Net or ES-Pro) and the device ID. The device ID is the part after
_in the station name in ExpTech Home. ES-Pro also shows it on the boot screen. - The firmware version (the version marked 「目前」 under 「韌體更新」 in ExpTech Home).
- The LED pattern, or a photo of the ES-Pro screen.