4 hours ago: Code?

Mend Home Heating Systems

Mend Heating, Home Heating Systems
Find out how to mend it for free.
Ask Question
Mend Heating, Home Heating Systems
Find out how to mend home heating systems

Related Categories

Mend Convector Heaters
Convector Heaters
Mend Fan Heaters
Fan Heaters
Mend Oil Filled Radiators
Oil Filled Radiators

Mend > Home Heating Systems

Mend Heating, Home Heating Systems

he isar he 24, error code HN?

just had pcb fitted and worked fine for a week but now showing code HN. i checked trouble shoot, says check wiring to boiler, that seems to be ok.

babs199
December 2010
Heating, Home Heating SystemsHe He 24 Error Code
hi im having the same problem did you find a cure

phil
May 2011

Automatic Answer

We may have found other answers which could help you.

Click here for He He 24 Error Code

Mend Heating, Home Heating Systems
Find out how to mend home heating systems
Mend Heating, Home Heating Systems

Siemens RDJ10RF thermostat problem?
Mend Heating, Home Heating Systems

Vaillant F22 fault?
Mend Heating, Home Heating Systems

Vaillant ecotec 831 plus?
Mend Heating, Home Heating Systems

Remove boiler cover?
Mend Heating, Home Heating Systems

Greenstar 25 combo boiler?
Mend Heating, Home Heating Systems

British Gas 532/i Gas Combi Boiler?
Mend Heating, Home Heating Systems

How do I work my Storad storage heater?
Mend Heating, Home Heating Systems

Fan tries to run every 15 seconds then stops immediately?
Mend Heating, Home Heating Systems

Boiler cycle?
Mend Heating, Home Heating Systems

Worcester Bosch 532/i Combi Boiler?
Mend Heating, Home Heating Systems

Advice?
Mend Heating, Home Heating Systems

Worcester boiler dripping water?

How to mend ...

Find out how to mend just about anything howtomendit.com for free repair help, information and advice.

Mend home heating systems ...

Mend Heating, Home Heating Systems

Worcester boiler dripping water?

Worcester boiler dripping water, can I just tight the screw? The icon next to the valve looks like radiators... [Read more]
Mend Heating, Home Heating Systems

Vaillant ecotec 831 plus?

Following a F22 fault where we had no heating and only cold water from the hot water tap, I topped up the syst... [Read more]
Mend Heating, Home Heating Systems

Remove boiler cover?

how can i remove the front cover of my ideal logic boiler?
Mend Heating, Home Heating Systems

Siemens RDJ10RF thermostat problem?

My temp is showing on the reciever alot higher than it actually is & each time I turn the temp up to get the h... [Read more]
Mend Heating, Home Heating Systems

Boiler cycle?

My boiler only fires up for about 90 seconds greenstar 4000
Mend Home Heating Systems
Mend Heating, Home Heating Systems
Find out how to mend home heating systems