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Error Code Display

Error Code Display - Abnormality detected

Panasonic · Aquarea Heat Pumps

What does Error Code Display mean?

When an abnormality occurs, the system stops operation, the OFF/ON control panel LED blinks, and an error code is displayed on the control panel's timer display LCD.

Common Causes

  • Various system faults or protection controls activated

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Note the displayed error code.

  2. 2

    Refer to the error code table in the manual to understand the meaning of the code.

  3. 3

    Follow the recommended troubleshooting steps for the specific error code.

  4. 4

    If the error code persists after troubleshooting, contact customer support.

Browse all codes in this manual (69)
Verified technical data. Last updated: April 2026

Related Faults

2 beeps then pause2 beeps then pause - Overfill warning3 red flashes3 red flashes - Communication errorF12F12 - Pressure switch activation
Source: Panasonic Aquarea Heat Pumps
Open Manual (Page 75)Search more codes in this manual