Troubleshooting - Potterton HE Plus Installation & Service Instructions Manual

Boiler not working
START
Make sure the gas supply is
turned ON and check if other
gas appliances are operating
(e.g. fire, cooker).
NO
If no gas, consult your
supplier.
Is the Central Heating System
Pressure needle in the GREEN
section, between 1 and 2.5 bar ?
NO
1
If the reading falls below 1 bar
repressurise the system as
described in section 3.1.
Error Code E119 showing low
pressure.
4
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Supplied By www.heating spares.co Tel. 0161 620 6677
YES
Is the ON/OFF/Reset
Select Switch in the
( ) position and
the display lit ?
Reset
NO
Check electricity to the
boiler is switched on.
2
3
0 4
bar

2.0 Troubleshooting

YES
Central Heating
Indicator
Display
Boiler operating satisfactorily.
YES Does the display show an error
code e.g. E133, E110 ?
YES
Turn the ON/OFF/Reset
Selector Switch to Reset.
Reset
Is the ( ) light on and the
( ) on ?
Burner On
Indicator
YES
If boiler does not
Reset
NO
NO