How do I fix error code FLAME_TOO_BIG_SMALL on a Samsung ovens & ranges?

1. undefined: Check manifold pressure is within range (min 5 in wc, max 13 in wc) 2. undefined: Check line pressure to regulator 3. undefined: Verify orifice diameter matches burner BTU rating 4. undefined: Check direction of plastic plug inside gas pressure regulator 5. undefined: Test pressure regulator function

Samsung Ovens & Ranges2022–present

Error Code FLAME_TOO_BIG_SMALL

Q: What does error code FLAME_TOO_BIG_SMALL mean on a Samsung ovens & ranges?

Improper gas pressure or orifice size Manifold pressure not within normal range; Line pressure out of specification; Wrong orifice diameter installed; Orifice direction incorrect (plastic plug inside GPR facing wrong way); Faulty gas pressure regulator

Improper gas pressure or orifice size

Moderate

Address soon - your appliance may not work properly

Also displayed as: Flame size is too big or too small

What This Means

Manifold pressure not within normal range; Line pressure out of specification; Wrong orifice diameter installed; Orifice direction incorrect (plastic plug inside GPR facing wrong way); Faulty gas pressure regulator

What actually causes this:

Pressure regulator out of adjustment or wrong nozzle installed

First Thing to Check

Measure manifold and line pressure with gauge

Parts Involved

Burner orificeGas pressure regulatorManifold pressure gauge connection

How to Fix

1
Check manifold pressure is within range (min 5 in wc, max 13 in wc)
2
Check line pressure to regulator
3
Verify orifice diameter matches burner BTU rating
4
Check direction of plastic plug inside gas pressure regulator
5
Test pressure regulator function

This Error Applies To

Samsung DTT48T963 Series Ovens & Ranges (2022) (2022–present)

Service manual exact match: DTT48T960GS/DAService manual exact match: DTT48T963Service manual exact match: DTT36T960Service manual exact match: DTT48T960Service manual exact match: DTT36T960GS/DAService manual exact match: DTT48T963GS/DA