info Haswill

Status LED Flashing Light Pattern (Cool)

Refrigerating delay — system in delay state before switching to cooling mode.

? What Causes This

System is preparing to switch from heating to cooling mode or vice versa based on temperature readings.

What This Means

No action required, system will resume normal operation once the delay period ends.

Source: page 57 of the official manual

From the manual

Manual page 57 — Haswill error LED Flashing Light Pattern (Cool)

This error code appears in:

Haswill Stc 1000 Temperature Controller