Model reference
Bosch B20CS50SNS02
Refrigerator
2 documents18 error codes17 service modes
Available documentation
Service Manual
- Bosch Refrigerator Technical Manual B20CS50SNS0271 pg
- Bosch Refrigerator Freezer Service Manual B20CS5080SN77 pg
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- Step-by-step diagnostics from the service manual
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Error codes (18)
CodeMeaning
C1Cycle abnormal or defectiveCoDisplay Full Down mode.d1D-sensor (defrost sensor) disconnection or short circuit.D2Display forced defrost mode for A/S.dFF-Door Switch defective.dHHome bar Door Switch defective.drR-Door Switch defective.EaMalfunction of ice drop motor.EFFlow sensor errorEgWater supply errorEII-sensor (ice sensor) disconnection or short circuit.ESMicro switch errorEtHorizontal/level switch errorEuFull ice sensing switch error.F1F-sensor (freezer sensor) disconnection or short circuit.F3Return after defrosting abnormalr1R-sensor (refrigerator sensor) disconnection or short circuit.rtRT-sensor (room temperature sensor) disconnection or short circuit.Service modes (17)
- Demonstration ModePress 'Dispenser' button 5 times while holding 'Freezer Set' button simultaneously.
- EEPROM ClearPress 'Dispenser' + 'Water Filter Reset' 5 times.
- Error Display Mode1
- Filter Change Time Display1
- Filter Remaining Time Display1
- Forced Defrosting (A/S Defrost Mode)1
- Forced Defrosting Mode (A/S Defrost)1
- Freezer Compartment Temperature Compensation1
- Ice Maker TestPress 'Dispenser' + 'Ice Maker Lock' 5 times.
- Magic Cool Zone Error Check (Forced Damper Open/Close)1. Push Select button for 3-6 seconds. 2. Initial display shows sensor temp (if normal) or 'Er' (if…
- Magic Cool Zone Error Check / Forced DamperPush 'Select' button for 3~6 seconds
- Pull Down ModePress 'Refrigerator Set' + 'Freezer Set' + 'Dispenser' 5 times.
- Refrigerator Compartment Temperature Compensation1
- Temperature Display Change (Fahrenheit/Celsius)In Lock mode, push Water Filter Reset button for 15 seconds.
- Temperature Display Unit Change (°F/°C)In 'Lock' mode, push 'Water Filter Reset' button for 15 seconds.
- Water Supply Amount Adjustment1
- Water Supply Amount Adjustment (P Factor)1
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