Bosch Dryer Error Codes | AppliancesCare

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📋 Error Code Index — Bosch Dryer

E01NTC Sensor Fault E02Heating Element Fault E03Motor Fault E04Door Switch Fault E05Control Board Communication Fault

E01

NTC Sensor Fault

Drum air temperature NTC sensor open or out of range

Medium Priority

Possible Causes
NTC sensor failed open or shorted
Connector loose or corroded
Wiring to sensor damaged
Diagnostic Steps
1Inspect NTC connector for corrosion
2Test NTC resistance — should decrease as temperature rises
3Replace NTC sensor if reading is OL or near zero

E02

Heating Element Fault

Heating element open circuit — dryer runs but produces no heat

Medium Priority

Possible Causes
Heating element coil burned out
Safety thermostat tripped due to blocked vent
Thermal fuse open
Diagnostic Steps
1Check exhaust vent for lint blockage
2Test heating element continuity — OL confirms open
3Test thermal fuse — replace if open before element
4Replace heating element if confirmed open

E03

Motor Fault

Drum motor not starting or stalling mid-cycle

High Priority

Possible Causes
Drive motor failed or seized
Motor capacitor failed
Drive belt broken
Diagnostic Steps
1Check drive belt for breakage or dislodgement
2Test motor capacitor and replace if failed
3Test motor winding continuity — replace if open circuit

E04

Door Switch Fault

Door switch not confirming closed — dryer will not start

Medium Priority

Possible Causes
Door not fully closed
Door switch failed internally
Wiring to switch open
Diagnostic Steps
1Push door firmly closed — listen for latch click
2Inspect latch for damage or misalignment
3Test door switch continuity and replace if open when closed

E05

Control Board Communication Fault

Communication error between main board and motor control module

High Priority

Possible Causes
Wiring harness loose between boards
Motor control module failed
Main board failed
Diagnostic Steps
1Check wiring harness connectors at both boards
2Power cycle unit 60 seconds
3Replace motor control module or main board as indicated

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Important Notice: Error code information on this page is based on Bosch manufacturer service documentation. Dryer repair involves high-voltage components and hot surfaces. Always disconnect power before servicing. Consult a certified technician for electrical faults. AppliancesCare Appliance Repair LLC provides this information for educational purposes only.