Model reference
Bosch B20CS50SNS/01
Refrigerator
4 documents18 error codes28 service modes
Available documentation
Service Manual
- Bosch Refrigerator Technical Manual B20CS50SNS0271 pg
- Bosch Refrigerator Freezer Service Manual B20CS5080SN77 pg
- Service Manual77 pg
- Service Manual77 pg
MyPros+ Max
Diagnose your Bosch B20CS50SNS/01.
- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
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Error codes (18)
CodeMeaning
C1Compressor works for over 3 hours when D-sensor temperature is over -5°C…CoDisplay Full Down mode.d1D-sensor (defrost sensor) disconnection or short circuit.d2A/S forced defrosting mode indicator (not a faultdFF-Door switch defective or door sensed open for more than 1 hour.dHHome bar door switch defective.drR-Door switch defective or door sensed open for more than 1 hour.EaMalfunction of ice drop motor.EFFlow sensor errorEgI-sensor temperature does not increase 5 minutes after water supply.EII-sensor (ice sensor) disconnection or short circuit.ESDispenser micro switch errorEtLevel switch errorEuFull ice sensing switch errorF1F-sensor (freezer sensor) disconnection or short circuit.F3Defrosting return done by time limit of 80 minutes (abnormal defrost cycle).r1R-sensor (refrigerator sensor) disconnection or short circuit.rtRT-sensor (room temperature sensor) disconnection or short circuit.Service modes (28)
- Demonstration ModePress 'Dispenser' button 5 times while holding 'Freezer Set' button simultaneously.
- Demonstration Mode (Demo)Press 'Dispenser' button 5 times while pressing 'Freezer Set' button simultaneously.
- EEPROM ClearPress 'Dispenser' + 'Water Filter Reset' buttons 5 times simultaneously.
- Error Display / Diagnostic Mode1. Enter 'Lock' mode. 2. Press 'Super Freeze' button 5 times while pressing 'Freezer Set' button…
- Error Display Mode1
- F/R Compartment Temperature CompensationFreezer
- Filter Change Time Display1
- Filter Information Display1
- Filter Remaining Time Display1
- Forced Defrosting (A/S Defrost Mode)1
- Forced Defrosting (A/S Defrost)1
- Forced Defrosting Mode (A/S Defrost)1
- Freezer Compartment ON/OFF Temperature CompensationIn Lock mode, press 'Freezer Set' button 5 times while pressing 'Dispenser' button simultaneously
- Freezer Compartment Temperature Compensation1
- Ice Maker TestPress 'Dispenser' + 'Ice Maker Lock' buttons 5 times simultaneously.
- Magic Cool Zone Error CheckPush 'Select' button for 3-6 seconds
- 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
- Magic Cool Zone Error Check ModePush 'Select' button for 3-6 seconds
- Pull Down ModeIn 'Lock' mode, press 'Refrigerator Set' + 'Dispenser' buttons 5 times simultaneously.
- Refrigerator Compartment ON/OFF Temperature CompensationIn Lock mode, press 'Refrigerator Set' button 5 times while pressing 'Dispenser' button…
- Refrigerator Compartment Temperature Compensation1
- Temperature Display Change (°F / °C)Push 'Water Filter Reset' button for 15 seconds while in 'Lock' condition.
- Temperature Display Change (Fahrenheit/Celsius)Push 'Water Filter Reset' button for 15 seconds while in 'Lock' condition.
- Temperature Display Unit Change (°F/°C)In 'Lock' mode, push 'Water Filter Reset' button for 15 seconds.
- Water Filter ResetPress 'Water Filter Reset' button for 3 seconds after filter change.
- Water Supply Amount Adjustment1
- Water Supply Amount Adjustment (P Factor)1
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