Table Of Contents - Worcester ZSBR 7-28 ICS1 Service Booklet

Contents
Contents
Safety Precautions
Symbols
1 Layout Of Appliance (Zsbr/Zwbr)
2 Operation
2.1 Standard Display
2.2 Displaying Service Functions
2.3 Setting service functions
2.4 Resetting Service Functions To Factory Settings 5
2.4.1 Resetting service functions 0.0 to 4.9 to their
factory settings (Reset 1):
2.4.2 Resetting service functions 0.0 to 9.9 to the
factory setting (Reset 2):
3 Boiler Service Functions
3.1 Summary
3.2 Explanation Of Service Functions
4 Rectifying Faults
4.1 Boiler Failure Codes Indication
4.1.1 ... on the boiler
4.1.2 ... on the programmer (optional accessory)
4.2 Summary
4.2.1 Appliance faults
4.2.2 Faults that are not indicated on any display
4.3 How To Use The Fault Tables
4.4 Faults Indicated On Display
4.5 Faults That Are Not Displayed
4.5.1 Appliance faults
4.5.2 Programmer faults
5 Appendix
5.1 Ntc Values
5.1.1 Outside temperature sensor
5.1.2 CH flow NTC sensor, heat store NTC
sensor, constant hot water NTC sensor
and hot water NTC sensor
5.2 Electronic Schemes
5.3 List Of Most Important Replacement Parts
5.4 Approved corrosion inhibitors and
anti-freeze fluids for central heating water
5.5 Detecting Corrosion By Cfcs
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7 181 465 347 (01.07)