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Bosch·Dishwasherhigh severity
Bosch Error Code E01
Heat pump motor error
Common Causes
- 1Heat pump motor failure
- 2Wiring issue
- 3Control board fault
Step-by-Step Troubleshooting
- 1
Disconnect power and wait 5 minutes before restarting
- 2
Check heat pump motor wiring harness for loose connections
- 3
Measure motor resistance (expect 5-15 ohms across windings)
- 4
Inspect control board for burnt relay contacts near motor driver
Pro Diagnostic Tip
BSH PerfectDry models use a Zeolith mineral heat pump — if granules are depleted the motor runs dry and fails. Check zeolite container condition before replacing motor.
You Might Also Notice
- •Dishes still wet after cycle
- •Cycle ends prematurely
- •Unusual grinding noise during dry phase
Parts, Cost & Difficulty
Repair Difficulty
Professional OnlyEstimated Repair Cost
$350–$550
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
12-029-437-801 (heat pump motor)12-005-668-001 (main control board)
Do You Have the Right Tools?
Bearing puller set ($120), drum spider wrench ($85), multimeter ($85), and diagnostic software. Our technician arrives with $15K+ in professional tools — your diagnostic is free.
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Safety First — Know the Risks
High-voltage components and pressurized water lines create flood and shock risk. A single loose fitting can cause thousands in water damage. Our techs are licensed and insured — let them handle the risk.
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Get Professional Help Now
Error code E01 is a high-severity issue that can cause further damage to your dishwasher if left unresolved. A licensed technician can diagnose and fix it the same day.
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Frequently Asked Questions
What does Bosch error code E01 mean?
Bosch error code E01 indicates: Heat pump motor error. This is a high-severity issue affecting your dishwasher.
How do I fix Bosch error code E01?
Disconnect power and wait 5 minutes before restarting Then, Check heat pump motor wiring harness for loose connections Then, Measure motor resistance (expect 5-15 ohms across windings) There are 1 more steps — see the full troubleshooting guide above. This repair typically requires professional tools and expertise.
How do I know if my dishwasher has error E01?
Besides the error code on the display, common signs include: Dishes still wet after cycle; Cycle ends prematurely; Unusual grinding noise during dry phase. If you notice any of these symptoms, check your dishwasher's display panel for error code E01.
How much does it cost to fix Bosch E01?
Repair costs for Bosch E01 typically range from $350 to $550 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.