Baxi Heat 616 - User Manual

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Heat

User Guide

Gas Fired Wall Mounted Condensing Boiler

09

United Kingdom

613 - 616 - 619 - 625 - 630

Please keep these instructions in a safe place.

If you move house please hand them over to the next occupier.

Table of Contents

Other manuals for Baxi Heat 616

Installation And Service Manual64 pages

Questions and Answers

E
Erik EstesAug 10, 2025
How to troubleshoot temperature protection issues in my Baxi Heat 616 Boiler?
- T
  Tiffany ShermanAug 10, 2025
  If your Baxi Boiler is experiencing temperature protection issues, it could be due to several reasons: * The maximum flow temperature may have been exceeded. * The flow temperature rise rate might be too high. * There could be an excessive difference between the flow and return temperatures. To resolve this: * Check the system circulation and pump operation. * Verify the demands for boiler operation. * Check the temperature setting. * Inspect the temperature sensors in the boiler.
S
Scott RojasAug 15, 2025
What to do if my Baxi Boiler displays a communication fault?
- W
  William MyersAug 15, 2025
  If your Baxi Boiler shows a communication fault, the cause may be a bad connection or wiring fault, or an internal communication fault. To address this: * Check the wiring and connections between the boiler and the User Interaction Controller, and also within the box. * If necessary, replace the combustion control unit.
A
Angela ThompsonAug 20, 2025
Why is my Baxi Heat 616 losing flame?
- A
  angela02Aug 20, 2025
  If your Baxi Boiler is experiencing flame loss, it means no flame was detected during operation. Here’s what you can do: * First, check that the gas supply is turned on and available, especially if you're using a pre-payment meter. * Next, check the condition of the flue.
G
Greg RossAug 26, 2025
What does shutdown input mean on my Baxi Heat 616 Boiler?
- D
  Dr. Rhonda Hill MDAug 26, 2025
  If your Baxi Boiler is showing a shutdown input error, it means the BL terminals on the User Interaction Controller are open circuit. Here’s how to troubleshoot: * If a condensate pump is wired to these terminals, check its operation. * Check the wiring to the BL terminals, ensuring the link is present or the connections to the external device are correct.
R
Ryan BellAug 30, 2025
What causes a parameter fault in a Baxi Boiler?
- S
  stephanie81Aug 30, 2025
  If your Baxi Boiler is showing a parameter fault, it could be due to a parameter error, a faulty PU, a configuration error, or a PCB fault. The suggested solution is to replace the combustion control unit.
C
clarkbenjaminSep 4, 2025
What does a miscellaneous error mean on my Baxi Boiler?
- A
  Amy FordSep 4, 2025
  If your Baxi Boiler has a miscellaneous error, it indicates an internal fault in the combustion control unit. The suggested solution is to replace the combustion control unit.

Baxi Heat 616 Specifications

General

Boiler type	Combi
Mounting	Wall-mounted
ERP efficiency	A
Output Power	16 kW
Fuel Type	Natural Gas
Warranty	2 years
Dimensions (H x W x D)	700 x 400 x 299 mm

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