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F48

F48 - Outdoor EVA outlet temperature sensor abnormality

Panasonic · Aquarea Heat Pumps

What does F48 mean?

This error indicates a problem with the outdoor EVA (Evaporator) outlet temperature sensor. It might be defective or disconnected, which affects temperature monitoring in the evaporator.

Common Causes

  • Outdoor EVA outlet temperature sensor is defective
  • Outdoor EVA outlet temperature sensor is disconnected

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Note the F48 error code displayed on the control panel.

  2. 2

    Turn off the power supply to the Panasonic Aquarea Heat Pump at the main circuit breaker. Wait for at least 5 minutes, then restore power.

  3. 3

    If the F48 error code reappears, contact an authorized Panasonic service technician for diagnosis and repair of this sensor.

Browse all codes in this manual (77)
Verified technical data. Last updated: April 2026

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Source: Panasonic Aquarea Heat Pumps
Open Manual (Page 158)Search more codes in this manual