Westinghouse Water Heater Error 39

⚡ Quick Answer: The Westinghouse water heater error code 39 signifies a malfunction in the flame detection system, often leading to an inability to ignite or continue... ✅ DIY Fixable

What Does Error 39 Mean?

The Westinghouse water heater error code 39 signifies a malfunction in the flame detection system, often leading to an inability to ignite or continued shutdown after flame-off. This error can result in a false flame signal where the system detects a flame that isn't present, accompanied by unusual clicking sounds and a complete lack of hot water. Addressing this issue may involve inspecting the flame sensor and ensuring no obstructions are affecting its functionality.

Common Symptoms:

  • unit displays Error 39
  • unit shuts down or fails to ignite after flame-off
  • false flame signal detected when no flame present

Possible Causes

  • False flame signal from flame detection sensor (medium)

How to Fix Error 39

DIY Fix Basic checks for error 39

  1. Turn unit off and ensure cover is secure
  2. Check that nothing is obstructing or shining into flame sensor area
  3. Power cycle the water heater (turn off power briefly and restart)

Technician Only Inspect and rectify flame sensing system

  1. Inspect flame detection sensor for damage or contamination
  2. Verify secure wiring and connector seating to control board
  3. Measure flame sensor signal according to manufacturer specs
  4. Replace flame detection sensor if defective

Parts needed: flame detection sensor, connectors/wiring harness

🛑 When to Call a Pro:
  • Error persists after basic checks and sensor inspection
  • Unit continues to throw error intermittently
  • Signs of gas or combustion issues (smell, soot)

Technical Specifications

wattage 4500W
component Heating Element
resistance 10-15 ohms
part_number WH-HE-1000
voltage_rating 240V AC

Common Questions

What does 39 error mean on westinghouse water heater?

Error 39 indicates a malfunction in the flame detection system, leading to ignition failure and no hot water.

Can I fix westinghouse water heater 39 error myself?

Yes, you can power cycle the unit, ensure the cover is secure, and check for obstructions in the flame sensor area.

How much does it cost to fix 39 error?

The estimated repair cost for error 39 ranges from $50 to $200, including parts and labor.

When should I call a technician for 39?

Call a technician if the error persists after basic checks, if it occurs intermittently, or if you notice signs of gas or combustion issues.

Sources & References

Data last verified: 2026-07-01

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