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ON, no flash

Amber LED Solid ON — Standby/Charging

Carrier · Heat Pumps

What does ON, no flash mean?

The Amber LED is continuously on, indicating that the system is in Standby/Charging mode. This is a normal operating status and does not require troubleshooting.

Common Causes

  • Normal system operation in Standby/Charging mode

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    No action is required, as this is a normal operating status.

  2. 2

    Ensure the system is receiving power as expected for standby or charging.

  3. 3

    If the system is not transitioning out of Standby/Charging when it should, check the thermostat settings or demand.

Browse all codes in this manual (40)
Verified technical data. Last updated: April 2026

Related Faults

1 (1 sec ON), longer pause (2 sec OFF)Amber LED flashes 1 time (1 sec ON) then longer pause (2 sec OFF) — Variable Capacity Range Cutback1, pauseAmber LED flashes 1 time then pauses — Variable Capacity Operation16Communication Loss Event 16
Source: Carrier Heat Pumps
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