Model reference
Bosch B20CS51SNI/01
Refrigerator
2 documents18 error codes18 service modes
Available documentation
Service Manual
- Service Manual77 pg
- Service Manual77 pg
MyPros+ Max
Diagnose your Bosch B20CS51SNI/01.
- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
Start diagnosing
$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax
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 (18)
- 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…
- F/R Compartment Temperature CompensationFreezer
- Filter Information Display1
- Filter Remaining Time Display1
- 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
- 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 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…
- 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.
- Water Filter ResetPress 'Water Filter Reset' button for 3 seconds after filter change.
- Water Supply Amount Adjustment1
Full entry steps, exit procedures, and test sequences are available in Max.
Related Bosch refrigerator models
75,000+ service documents · 20,000+ error codes · 100+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax