Navien Tankless Water Heater Error Code 060: How to Fix It

Q: What causes Navien error code 060?

Error 060 indicates blocked water flow through the heat exchanger, often due to mineral scale buildup, debris in the inlet filter, or a faulty flow sensor.

Q: How often should I flush my Navien water heater?

Navien recommends flushing the heat exchanger every 6-12 months depending on water hardness. In hard water areas, more frequent flushing may be needed.

Q: Can I use vinegar to descale my Navien?

Yes, white vinegar or citric acid solution is commonly used. Use a descaling pump kit and follow manufacturer guidelines to avoid damage.

Q: Will error 060 reset itself?

Sometimes after fixing the blockage, the error clears after a restart. However, the cause must be resolved; otherwise, the code will return.

Q: Is it safe to use the water heater with error 060?

No. The error indicates restricted water flow, which can cause overheating and damage. Turn off the unit immediately and troubleshoot.

Abstract

Error code 060 on your Navien tankless water heater indicates that water flow through the heat exchanger is blocked. This typically happens due to mineral scale buildup, debris, or a faulty flow sensor. This guide will help you diagnose and resolve the issue safely.