ℹ
info Philips
Status lights blinking one by one
The machine is in heating phase or air release procedure.
? What Causes This
Air trapped inside the system; during hot water dispensing.
ⓘ What This Means
Wait until all drink lights light up continuously to indicate the machine is ready for use.
Source: page 41 of the official manual
From the manual
This error code appears in:
Philips 1200 Series Fully Automatic Espresso Machine