Bosch Washer Error Codes | AppliancesCare

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📋 Error Code Index — Bosch Washer

E01Water Inlet Fault E02Drain Fault E03Motor Fault E04Door Lock Fault E17Water Inlet Pressure E18Drain Speed Slow

E01

Water Inlet Fault

Washer not filling with water within allowed time

Medium Priority

Possible Causes
Supply valves closed or restricted
Inlet valve solenoid failed
Low water pressure
Inlet hose screens clogged
Diagnostic Steps
1Verify supply valves fully open
2Check water pressure — minimum 20 psi
3Clean inlet hose screens
4Test inlet valve and replace if failed

E02

Drain Fault

Washer not draining within allowed time

Medium Priority

Possible Causes
Drain pump filter blocked
Drain hose kinked
Drain pump motor failed
Diagnostic Steps
1Clean drain pump filter
2Check drain hose for kinks
3Test drain pump motor and replace if failed

E03

Motor Fault

Drive motor not starting or failing during spin cycle

High Priority

Possible Causes
Drive motor failed
Motor control board fault
Drive belt broken
Diagnostic Steps
1Check drive belt condition
2Test motor winding continuity
3Replace motor or control board as indicated

E04

Door Lock Fault

Door lock not confirming position — cycle cannot start or continue

Medium Priority

Possible Causes
Door not fully closed
Lock actuator failed
Wiring to lock open
Diagnostic Steps
1Push door firmly closed
2Inspect latch for damage
3Test lock actuator and replace if failed

E17

Water Inlet Pressure

Water pressure too low — fill taking too long to complete

Low Priority

Possible Causes
Household water pressure below 15 psi
Inlet hose kinked or partially blocked
Water meter valve partially closed
Diagnostic Steps
1Check household pressure at tap
2Inspect inlet hose for kinks
3Ensure main water valve fully open

E18

Drain Speed Slow

Drain pump running but flow rate too slow — extended drain time

Low Priority

Possible Causes
Partial blockage in drain pump filter
Drain hose partially kinked
Pump impeller worn
Diagnostic Steps
1Clean drain pump filter thoroughly
2Inspect drain hose full length for kinks
3Replace drain pump if impeller worn

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Important Notice: Error code information on this page is based on Bosch manufacturer service documentation. Always disconnect power and water supply before inspecting internal components. Fault behavior may vary by model and production date. AppliancesCare Appliance Repair LLC provides this information for educational purposes only.