Bosch Dishwasher Error Code E30: How to Fix It

Q: What does error code E30 mean on a Bosch dishwasher?

Error code E30 indicates a fault with the heat pump system. This could be due to a drain blockage, a tripped thermal overload, or a failed heat pump.

Q: Can I reset error E30 on my Bosch dishwasher?

Yes, you can try a power cycle by turning off the dishwasher at the circuit breaker for 5 minutes. You can also press the thermal overload reset button on the heat pump if accessible.

Q: Is it safe to run the dishwasher with error E30?

No, running the dishwasher with error E30 may cause further damage to the heat pump or control board. It is best to troubleshoot and fix the issue before using the dishwasher.

Q: How much does it cost to replace a Bosch dishwasher heat pump?

The cost for a replacement heat pump part is typically $100–$200, plus labor if hired out. Professional installation can add $150–$300.

Q: Why does my Bosch dishwasher show E30 after a power outage?

A power surge or outage can sometimes trigger a temporary fault. Try a power cycle (unplug for 5 minutes) to see if the error clears. If it returns, there may be a hardware issue.

Abstract

Error code E30 on a Bosch dishwasher indicates a fault with the heat pump system, which is responsible for heating water and drying dishes. This error often occurs due to a blocked drain, a faulty heat pump, or a tripped thermal overload. Before calling a technician, try these troubleshooting steps to restore normal operation.