Rheem 305, 505, 705 Error 71: SV0, SV1, SV2, and SV3 Solenoid Valve Circuit Fault

Tankless water heater · taken from the manufacturer’s manual, pages cited

Fault code71

SV0, SV1, SV2, and SV3 Solenoid Valve Circuit Fault means wiring to any of these solenoids is damaged or loose. The manual's first action is: “Measure resistance of each solenoid valve coil.”

Model
Rheem 305, 505, 705
Display shows
SV0, SV1, SV2, and SV3 Solenoid Valve Circuit Fault (71)
Type
Fault code
Source
Manual p. 10

What 71 means

SV0, SV1, SV2, and SV3 Solenoid Valve Circuit Fault p. 10

Common causes

  • Check wiring harness to all solenoids for damage and/or loose connections. p. 10

What to do

  1. Measure resistance of each solenoid valve coil. p. 10

Before you service the product, read the safety instructions in the manual p. 4.

If 71 is still not resolved

  • Immediately call your gas supplier from a neighbor’s phone. p. 1
    “Immediately call your gas supp lier from a neighbor’s phone.”
  • If you cannot reach your gas supplier, call the fire department. p. 1
    “If you cannot reach your gas supplier, call the fire department.”
Open the manual at page 10 All 305, 505, 705 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 71; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Rheem. Found a mistake? Report an error.