The Navien error code 762-00 indicates a problem with the flow sensor. This error code typically occurs when there is a blockage in the flow sensor, preventing the water from flowing properly. In some cases, the error code may also indicate a problem with the wiring or the flow sensor itself.
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- navien error code 762-00
- navien error 762-00
1. Check the gas pressure
- Remove the gas valve cover.
- Use a gas pressure gauge to measure the gas pressure.
- If the gas pressure is low, replace the gas valve.
- If the gas pressure is high, check the gas line for obstruction or damage.
- Repair or replace the gas line if necessary.
2. Check the gas valve
- Remove the gas valve cap.
- Inspect the O-rings for wear or damage. If the O-rings are damaged, replace them.
- Inspect the valve for any obstructions. If there are obstructions, remove them.
- Check the valve stem for cracks or damage. If the valve stem is cracked or damaged, replace it.
- Check the valve for metal fatigue. If metal fatigue is detected, replace the valve.
3. Check the igniter
There are a few different steps that need to be completed in order to check the igniter in order to fix navien error 762-00. The first step would be to remove the cover of the igniter. Next, the igniter should be inspected for burnt or charred wires. If burnt or charred wires are found, then the igniter may need to be replaced. If no burnt or charred wires are found, then the igniter may need to be cleaned. Finally, the igniter may need to be re-loaded with fuel.
Still not working? maybe try:
- Check the flame sensor
- Clean the burner assembly
- Replace the igniter
- Replace the flame sensor
- Replace the gas valve
- Replace the burner assembly