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45

Fault code 45 — IPM fault

Rheem · Air Handlers

What does 45 mean?

The Intelligent Power Module (IPM) has faulted. Refer to specific tables (503 and 504) for detailed analysis based on driver board LED indicators.

Common Causes

  • Various reasons, including electrical issues and component failure

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the driver board fault LED indicators for more specific information (refer to Table 504).

  2. 2

    Address the specific fault indicated by the LEDs.

  3. 3

    This fault may require professional diagnosis and repair.

Browse all codes in this manual (51)
Verified technical data. Last updated: April 2026

Related Faults

1Fault code 1 — Inverter DC voltage overload fault10Fault code 10 — PFC fault (level)11Fault code 11 — PFC power detection of failure
Source: Rheem Air Handlers
Open Manual (Page 184)Search more codes in this manual