th-04 — Defrost fault, circuit B

Was bedeutet th-04 ?

A defrosting issue has been detected in circuit B. The circuit will shut down if the unit is in heating mode.

• Defrost heater malfunction.
• Defrost sensor failure.
• Incorrect defrost cycle timing.
• Refrigerant charge issue.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Inspect defrost components for damage or wear.

2. 2

   Check defrost sensors and associated wiring.

3. 3

   Ensure defrost cycle is initiating and completing correctly.

4. 4

   If the problem persists, professional servicing is required.