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Have a customer whose time clock is showing the above fault code, does anyone know what this relates to please? Is it an end of life issue!?
Discuss Danfoss FP975 fault code n33 in the Central Heating Systems area at ElectriciansForums.net
dont for get the hammer .Unfortunately despite my best attempts at trying to diagnose this over the phone by talking to the customer and Danfoss technical help (due to work coming out of my ears!) I will have to go and sort it out tomorrow, I have 5/1 on a faulty three port valve, will let you all know how I get on!
Danfoss have told me that an n33 is caused due to a power surge
Reply to Danfoss FP975 fault code n33 in the Central Heating Systems area at ElectriciansForums.net
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