Posts
All the articles I've posted.
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Bosch Washer F21 Error Code — Heating Timeout Fix
F21 on your Bosch washer means the water didn't reach the target temperature within the allowed time. This guide covers the most common causes—from a failed heating element to a faulty NTC sensor—with step-by-step fixes.
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Bradford White Water Heater Error Code 2 — Temperature Sensor Fault Fix
Bradford White error code 2 means a temperature sensor fault — the control isn't getting a valid reading from the thermistor. Here's how to test, reset, and replace the sensor.
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Bradford White Water Heater Error Code 4 — Ignition Lockout Fix
Bradford White error code 4 means ignition lockout — the heater failed to light after multiple attempts. Here's how to diagnose spark, gas supply, and the flame sensor.
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Bradford White Water Heater Error Code 5 — Flame Sense Circuit Fault
Bradford White error code 5 means a flame sense circuit fault — the flame sensor signal is missing or intermittent during operation. Here's how to clean, test, and replace the flame sensor.