Manual for Greenstar 4000 - Troubleshooting and error codes + PDF Download

Name: Manual for Greenstar 4000 - Troubleshooting and error codes + PDF Download
Brand: Worcester
Availability: InStock

Brand: Worcester

Category: Boiler

Document Type:

Language: EN

Uploaded: April 8, 2025, 3:08 a.m.

Manual Publish Date: 2020-09

Warranty Summary

This appliance has a guarantee against faulty materials or workmanship from the date of installation subject to terms and conditions. Please see full terms online.

Check System Pressure: Regularly ensure pressure is maintained, recharge if below 0.8 bar.
Topping up System Pressure: Use filling key or external loop as instructed by installer.
Control Panel Operation: Use buttons for heating, hot water, menu navigation, and settings adjustments.
Adjust Flow Temperature: Set maximum flow temperature for heating and DHW using control panel.
Set Time Program: Program heating and hot water schedules if Key accessory is fitted.
Troubleshooting: In case of fault, reset appliance and consult troubleshooting section for error codes.

Troubleshooting and error codes

LED status	Description of the LED displays
Flashing red:	Fault, e.g. no communication between the Key and appliance: Install the Key again, restore the last functioning status.
Flashing yellow:	No fault, user please wait.
Flashing green:	No fault, initialisation process is running.
Constant red:	Temporary fault: Wait for normal operating condition to be resumed.
Constant yellow:	No fault, time and date not available: Set the time and date on the appliance. -or- Key with touch-sensitive indicator: Press touch-sensitive indicator on Key to start pairing.
Constant green:	No fault, normal operating condition.
LED Off:	No fault, power-saving mode or appliance without power.