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Error code reference
Sirius Refrigerator Error Code FF
Fresh food thermistor failure (open or short circuit detected at startup or during operation).
SourceSirius BF LATAM 66 Refrigerator - Full Service Manual (RMB400)p. 59-60
Diagnostic procedure
The full FF procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check thermistor resistance at connector J1 pin 1 against the thermistor value table for the current temperature. All LEDs will blink every 0.5 seconds for 5 seconds on startup.
SourceSirius BF LATAM 66 Refrigerator - Full Service Manual (RMB400)p. 59-60
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
1 manual in the MyPros+ library documents this code for Sirius refrigerator.
Models covered by the manuals that document this code
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