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Error code reference
Daewoo Refrigerator Error Code F4
Defect switch (control panel switch/button malfunction detected).
SourceDaewoo FR-490 Refrigerator - Full Service Manual (FR-490M/P)p. 24
Diagnostic procedure
The full F4 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 if ports 26, 27, 28, 29 and 30 in micom are at high level; verify each switch/button is functioning correctly.
SourceDaewoo FR-490 Refrigerator - Full Service Manual (FR-490M/P)p. 24
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 Daewoo refrigerator.
Models covered by the manuals that document this code
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