Convotherm E72

What does Convotherm E72 mean?

Convotherm shows E72 — Grease removal error (float switch) — on the maxx pro combi oven range. This is a collective grease-removal code: it can flag either the float switch or the grease pump. The manual lists these reasons: Heavy soiling of the drain box, the CS chamber and the grease removal; The float switch is stuck, difficult to move or defective; Drain hose of grease removal system is blocked or grease collection canister is overfilled. The control flags the fault and holds the affected function until the message is cleared.

Symptoms

• Display shows error code E72 (Grease removal error (float switch))
• The affected function is interrupted until the fault is cleared

Common causes

• Heavy soiling of the drain box, the CS chamber and the grease removal
• The float switch is stuck, difficult to move or defective
• Drain hose of grease removal system is blocked or grease collection canister is overfilled

Diagnostic steps

1. 01

   Run a high-level cleaning cycle

   Start a cleaning operation at a powerful cleaning level so that the collector is cleaned as well as possible.

2. 02

   Clear the grease-removal drain hose and canister

   Warm up the drain hose of the grease removal and free it from grease Route drain house with short slope Empty collection canister for grease

When to call a professional

If E72 (Grease removal error (float switch)) does not clear after the steps above, note the message on the display and contact a qualified Convotherm service technician.