Sensus Iperl Water Meter Manual

| Problem | Possible Cause | Action | |---------|----------------|--------| | No display | Dead battery | Replace meter (battery not serviceable) | | No reading / zero flow | Debris in metering tube | Remove and flush backward | | Erratic display | Moisture in register | Replace register module | | Tamper alert active | Magnet near meter / meter tilted | Check external interference | | Communication fails | Dirty optical port / dead battery | Clean port; if fails → new meter |

| Code on LCD | Meaning | Action per Manual | | :--- | :--- | :--- | | E-01 | Reverse flow detected (install check valve) | Remove meter, inspect for cross-connection. | | E-06 | Battery low (less than 30 days life left) | Prepare for battery replacement or module swap. | | E-09 | Register error (magnetic field interference) | Check for large magnets near the meter; cycle power (remove battery). | | LEAK (text) | Continuous low flow for >96 hours | Locate and repair customer-side leak. | | NO FWD | No forward flow while radio transmitting | Reset module via FlexNet software. | sensus iperl water meter manual

The Sensus iPERL is a solid-state (electromagnetic) water meter designed for residential and small commercial applications. Unlike mechanical meters, it has no moving parts, reducing wear, improving low-flow accuracy, and maintaining performance over time. | Problem | Possible Cause | Action |