Ideal Isar He 24, Green Main P.C.B. H5 fault

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11 Feb 2020
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Good Evening folks,
First time entry as I'm in a big hole, please help!
I was called to Ideal Isar HE24, fitted over 10yrs ago. Collected replacement Pcb ( in green housing) from supplier, as always tried to follow MI, matched up the jumpers exactly, the instructions indicate 2 jumpers and the old pcb had 2. Now on initial power up display shows '3' then '2' before showing H5 code that wont reset. Ideal confirm jumpers to be in correct position and advised new pcb, My supplier only stocks green units but allowed me to exchange it. I cannot see any jumper ports on display unit.
I hope I haven't said too much on an open forum and would appreciate any advise from fellow RGI's as everyone I ask replies, jumpers wrong, new pcb, phone Ideal or I've fitted loads without issue. Please be patient as am a newbie to the site, been in the trade 20 year plus I just avoid these boilers if I can!!
Many Hopeful thanks in advance!!
 
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I did that earlier, guess I have to wait for approval! Thanks for the help Doogle
 
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been in the trade 20 year plus I just avoid these boilers if I can!!
That is the best advice!!....The lure of money is always enticing...but sometimes it is far less stressful to walk away..esp if self employed..
 

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