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Worcester 28i RSF User Manual

Worcester 28i RSF
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31
No mains LED
Connect mains
supply
Replace fuseIs Fuse F1 OK?
Is F2 (1.25AT) OK?
Faulty PCB
Replace
Flashing mains LED
Remove
X6
Open circuit?
Replace thermistor
Replace harness
Short circuit
Faulty PCB
Replace
Is resistance between
pins 3 & 4 between
690ohms & 33k?
Is resistance between
pins 19 & 20 between
690ohms & 33k?
Replace fuse
Is mains present at
X1 pins 1 & 3?
GO TO
CHECK H
GO TO
CHECK I
GO TO
CHECK H
GO TO
CHECK J
NO
NO
NO
YES
YES
YES
YES
YES
YES
NO
NO
OK
OK
OK
OK
Faulty
Faulty
Faulty
Faulty
NO

Table of Contents

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Worcester 28i RSF Specifications

General IconGeneral
Model28i RSF
Output28kW
MountingWall-mounted
DHW Output28kW
ERP RatingA
Fuel TypeNatural Gas
Water Pressure3 bar

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