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Power LED blinking (in COOL (with Timer), Heating Only Activated)

Power LED blinking — Timed cooling stopped during Heating Only Operation

Panasonic · CS-Z

What does Power LED blinking (in COOL (with Timer), Heating Only Activated) mean?

If 'Heating Only Operation' is active, the unit will not turn on via the timer for 'COOL' mode, and the Power LED will blink.

Common Causes

  • Timed cooling operation is not supported when 'Heating Only Operation' is active

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check if 'Heating Only Operation' is currently enabled.

  2. 2

    If it is, timed cooling will not function.

  3. 3

    To use timed cooling, deactivate 'Heating Only Operation' via the remote control.

  4. 4

    Refer to page 86 for instructions on activating/deactivating 'Heating Only Operation'.

Browse all codes in this manual (42)
Verified technical data. Last updated: April 2026

Related Faults

3 beepsThree beeps when checking errors — No abnormality storedBeep (Normal Operation -> nanoeX Operation)Single Beep — Switching to nanoeX operationBeep (Stop -> nanoeX individual Operation)Single Beep — Starting nanoeX individual operation
Source: Panasonic CS-Z
Open Manual (Page 86)Search more codes in this manual