Troubleshooting - Potterton Promax HE Store Range User's Manual And Important Warranty Information
Condensing boilers with integrated hot
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Also See for Promax HE Store Range:
- Installation & servicing instructions manual (60 pages) ,
- Installation & servicing instructions manual (52 pages)
Table of Contents
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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 between
1 and 2.5 bar ?
NO
If the reading falls below 1 bar
repressurise the system as
described in section 3.0.
Error Code E119 showing
low pressure.
4
YES
Is the ON/OFF/Reset
Select Switch in the
(
) position ?
Is the display lit ?
Display
NO
Check electricity to the
boiler is switched on.
2
bar
2.0 Troubleshooting
YES
Central Heating
Indicator
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.
Is the (
) or (
) light
on and the (
) on ?
Burner On
Indicator
YES
If boiler does
not Reset
© Baxi Heating UK Ltd 2013
NO
Domestic Hot
Water Indicator
NO
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Table of Contents
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Questions and answers
My boiler is not constantly supplying hot water
There are several possible reasons why your Potterton Promax HE Store Range boiler may not be supplying hot water consistently:
1. Programmer Settings: Ensure the programmer is set to 'DHW ON' during the required periods. If it's not, the boiler won't operate to heat the water.
2. Scaling in Hard Water Areas: If you live in a hard water area, limescale buildup may be affecting the heat exchanger and reducing hot water performance. A water treatment device, such as an ion-exchange water softener, may be needed.
3. Pressure Issues: If the boiler operates in a sealed primary system, ensure the system pressure is correct. Low pressure can affect performance.
4. Flow Restrictors: Using flow restrictors can help prolong hot water availability, especially in systems with smaller storage capacities.
5. Maintenance: The boiler may require servicing or cleaning if components like the heat exchanger are not functioning properly. Ensure the system has been maintained by a competent person as recommended.
6. Expansion Vessel Sizing: If the expansion vessel in the system is undersized or not operating correctly, it could impact performance.
If these steps do not resolve the issue, consulting a qualified service engineer is recommended.
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