Bosch Dishwasher SMH4HVX31E Error Codes

Troubleshooting & Diagnostic Guide

Model: SMH4HVX31E

Error Codes

Error Code Description Possible Cause Solution
E01 Water Supply Error Water inlet valve issue, low water pressure, kinked hose Check water supply, inspect inlet hose, ensure tap is fully open
E02 Drainage Error Drain pump blocked, drain hose clogged, filter obstructed Clean filter, check drain hose for kinks, inspect drain pump
E03 Water Leakage Detected Base pan flooded, door seal damaged, hose connection loose Check for leaks, inspect door seal, tighten connections
E04 Heating System Error Heating element failure, temperature sensor fault Check heating element, test temperature sensor
E05 Motor Circuit Error Circulation pump failure, motor control board issue Test circulation pump, inspect control board
E06 Door Lock Error Door not closing properly, latch mechanism fault Ensure door closes completely, check latch mechanism
E07 Sensor Error Turbidity sensor fault, water level sensor issue Clean sensors, test sensor functionality
E08 Control Board Error Main PCB failure, wiring connection issues Reset dishwasher, check wiring connections

Display Indicators

  • Red Light Flashing: Critical error - requires immediate attention
  • Yellow Light Flashing: Warning - check water supply or drainage
  • Green Light Steady: Normal operation
  • All Lights Flashing: System reset required

Troubleshooting

Problem Possible Cause Solution
Dishwasher won't start Power issue, door not closed, child lock activated Check power supply, ensure door latches, deactivate child lock
Poor cleaning results Spray arms blocked, incorrect detergent, overloaded Clean spray arms, use recommended detergent, reduce load
Water not draining Drain hose blocked, filter clogged, drain pump failure Clean filter, check drain hose, test drain pump
Leaking water Door seal damaged, overfilling, loose connections Inspect door seal, check water inlet valve, tighten connections
Unusual noises Foreign objects in pump, spray arm hitting dishes Check for foreign objects, rearrange dishes properly
Dishes not drying Rinse aid empty, heating element failure, poor loading Refill rinse aid, check heating element, improve loading

Reset Procedures

  1. Basic Reset: Turn off dishwasher at power source, wait 2 minutes, restart
  2. Factory Reset: Press and hold Start button for 10 seconds until all lights flash
  3. Error Code Clear: Unplug for 30 minutes to clear temporary error codes

Specifications

Model Number SMH4HVX31E
Type Built-in Dishwasher
Color Stainless Steel
Place Settings 14 place settings
Noise Level 44 dB
Control Type Electronic Touch Controls
Energy Rating A+++
Water Consumption 9.5 liters per cycle
Power Requirements 230V, 50Hz, 10A
Dimensions (HxWxD) 81.5 x 59.8 x 55 cm
Weight 48.5 kg
Programs Auto, Intensive, Eco, Quick, Glass, Rinse

Warranty Information

  • Full Warranty: 2 years parts and labor
  • Motor Warranty: 10 years on EcoDirect Motor
  • Additional Coverage: Optional extended warranty available

For warranty service, contact Bosch Customer Service at 1-800-944-2904 or visit Bosch-home.com

Maintenance

Filter Cleaning

Clean the microfilter and coarse filter monthly. Remove filter assembly, rinse under warm water, and reassemble properly.

Spray Arm Maintenance

Check spray arms regularly for blockages. Remove and clean spray arm holes to ensure proper water distribution.

Door Seal Care

Wipe door seal regularly with damp cloth. Check for debris or damage that could cause leaks.

Descaling

Use dishwasher cleaner every 2-3 months in hard water areas to prevent limescale buildup.

Rinse Aid Refill

Maintain rinse aid level for optimal drying results. Refill when indicator light shows low level.

Salt Refill

Check water softener salt level monthly. Refill when salt indicator light illuminates.

Recommended Cleaning Products

  • Bosch Dishwasher Cleaner & Descaler
  • Finish Dishwasher Cleaner
  • Affresh Dishwasher Cleaner
  • Bosch Rinse Aid
  • Bosch Special Salt

Manual Downloads

Current Model Manuals

SMH4HVX31E

14 Place Settings

SMH4HVX25E

12 Place Settings

SMH4HVX36E

15 Place Settings

SMH4HVX31W

White Finish

Popular Previous Models

SMS4HVW32E

13 Place Settings

SMS4HVW28E

12 Place Settings

SMS4HVW45E

14 Place Settings

SMS4HVW31E

13 Place Settings

Note: For models not listed here, please visit the Bosch Support Website for complete documentation.