Convotherm E33

What does Convotherm E33 mean?

E33 indicates a steam generator heater error. The manual lists a steam generator heater fault as the cause and directs the remedy to customer service. The heater boils water in the steam generator to produce steam, so when the control detects a fault with it the unit displays E33 and treats it as a service repair.

Symptoms

• Display shows error code E33
• Steam generator does not heat or produce steam
• Steam cooking programs fail to run

Common causes

• Steam generator heater fault

Diagnostic steps

1. 01

   Confirm the error code

   Verify the display reads E33 steam generator heater error so the correct component is addressed.

2. 02

   Power-cycle the unit

   Switch the combi off and on to confirm the fault persists rather than being a one-time event.

3. 03

   Stop steam operation

   Avoid running steam programs until the heater fault is resolved.

4. 04

   Call customer service

   The manual lists the remedy for the steam generator heater fault behind E33 as calling customer service.

When to call a professional

The manual attributes E33 to a steam generator heater fault and directs the remedy to customer service. Steam generator heaters are high-power electrical components, so a persistent E33 must be tested and replaced by a qualified Convotherm by Cleveland authorized service representative rather than handled in house.