Worcester zwbr 11-42 rd 542i combi

Supplied By www.heating spares.co Tel. 0161 620 6677
Service booklet for the Engineer
for Gas Condensing Boilers
6 720 611 400-00.1O
ZWBR 7-30 R 30 HE plus combi GC-Number: 41 311 79
ZWBR 11-35 R 35 HE plus combi GC-Number: 41 311 80
ZWBR 11-40 R 40 HE plus combi GC-Number: 41 311 81
ZSBR 7-30 RD 430i system GC-Number: 41 108 06
ZWBR 7-32 RD 532i combi GC-Number: 41 108 10
ZWBR 11-37 RD 537i combi GC-Number: 41 108 11
ZWBR 11-42 RD 542i combi GC-Number: 41 108 12
7 181 465 347 (05.01) OSW

Worcester zwbr 11-42 rd 542i combi Specifications

General

Brand	Worcester
Model	zwbr 11-42 rd 542i combi
Category	Boiler
Language	English

Summary

Safety Precautions

Operation

Accessing Service Functions

Steps to navigate the menu and display service parameters and the last fault.

Setting Appliance Service Functions

Procedure for setting various service functions, including value changes and confirmations.

Resetting Service Functions to Factory Settings

Instructions for performing factory resets (Reset 1 and Reset 2) for service functions.

Boiler Service Functions

Summary of Boiler Service Functions

Detailed Explanation of Service Functions

Detailed descriptions of various service functions, their purpose, and settings.

Rectifying Faults

Fault Indication and Codes

How faults are indicated by letter codes on the display and their categorization.

Summary of Appliance Faults

Using Fault Code Tables for Troubleshooting

Common Error Code Troubleshooting

Diagnosing and resolving common appliance error codes such as A1, A7, and A8.

Replacement of Parts

PCB Control Board and Transformer Replacement

Detailed procedure for replacing the main control board and transformer.

Fan Assembly Replacement

Primary Heat Exchanger and Burner Replacement

Pump Replacement

3-Way Diverter Valve Motor Replacement

Electrode Assembly Replacement