Cleaver-Brooks HAWK 4000 Error ALWCO: ALWCO

Cleaver-Brooks HAWK 4000 · taken from the manufacturer’s manual, pages cited

Alarm codeALWCO

ALWCO indicates PLC Input 17/4 is energized. The manual's first action is: “Correct per boiler operating or level control manual.”

Model
Cleaver-Brooks HAWK 4000
Display shows
ALWCO (ALWCO)
Type
Alarm code
Source
Manual p. 102

What ALWCO means

ALWCO p. 102

Common causes

  • PLC Input 17/4 is energized p. 102

What to do

  1. Correct per boiler operating or level control manual. p. 102

If ALWCO is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Cleaver-Brooks service.

Open the manual at page 102 All HAWK 4000 error codes Manual details & download

This page summarises what the manufacturer’s manual says about ALWCO; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Cleaver-Brooks. Found a mistake? Report an error.