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Fault Finding Guide - Potterton Suprima 30 HE Installation & Service Instructions Manual

Condensing central heating boiler
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8. Fault Finding Guide

FAULT
Electrical supply fault
Ignition LOCKOUT
Overheat LOCKOUT
False flame fault
Circulation LOCKOUT
PCB Fault
(Replace PCB)
APS Stuck fault
APS Cycling LOCKOUT
Flow thermistor fault
Casting thermistor fault
Suprima HE
Lockout Codes
Key
= off
= flashing
CONTROL DISPLAY
Lockout
Burner
Lockout
Burner
Lockout
Burner
Lockout
Burner
Lockout
Burner
Lockout
Burner
Lockout
Burner
Lockout
Burner
Lockout
Burner
Lockout
Burner
= on
RESET
Mains
Mains
Manual
Mains
Manual
Mains
Automatic
Mains
Manual
Mains
Automatic
Mains
Automatic
Mains
Manual
Mains
Automatic
Mains
Automatic
intelligently applied technology
Fig. 23
25
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