5. Error Messages and Solutions

Error Type	Causes	Solutions
Bit 0 ToF measurement timeout	Initial setting error Probe not connected or poorly set up	Initial setting error Check probe installation
Bit 1 No signal	Probe not installed or poorly installed Couplant is dry Too much grime inside the pipe Pipe liner exists but not set	1.Check probe installation 2. Re-coat coupling agent 3. Clean up the pipeline 4. Check initial settings
Bit 2 Thermal sensor short circuit	Sensor short circuit Instrument failure	Check wiring Contact manufacturer
Bit 3 Thermal sensor open circuit (disconnected)	Sensor not installed Sensor disconnected Instrument failure	Check wiring Check wiring Contact manufacturer
Bit 4 Empty pipe	Probe not connected or poorly set up No fluid in the pipe	1.Check probe installation 2. Confirm pipe fluid status
Bit 5 Poor signal quality	Probe installed incorrectly Too much grime in the pipe Bubbles in the pipe Bubbles in the pipe	Check probe installation Clean pipe Install probe on side surface or change installation setup location Change installation setup location
Bit 6 Incorrect initial value settings	Initial value setting error	Recheck initial value settings
Bit 7 Network communic ation error	Communication module failure	Reboot Contact manufacturer