Daikin project support and helpdesk

Support and helpdesk

Daikin is your installation partner

Technical helpdesk

Daikin UK’s Technical Helpdesk offers invaluable technical support and guidance if you experience on-site issues with commissioning or diagnosing faults.

Air conditioning 

For support with air conditioning systems, please contact:

01932 879200 (option 2)

Monday to Friday 8am to 5pm

Email: technicalhelp@daikin.co.uk

SMS Fault Code Service 07797 801908

Daikin Altherma

For support with heating systems please contact:

01932 879277

Monday to Friday 8am to 5pm from 1st April to 30th September

Monday to Friday 8am to 7pm and

Saturday 9am to 3pm from 1st October to 31st March

Email: technicalhelp@daikin.co.uk

Daikin Gas Boilers

03456 460430

Monday to Friday 8am to 5.30pm and Saturday 9am to 4pm

Bank holiday  8am to 2pm (excluding Christmas Day)

For Daikin gas boiler servicing by Daikin approved engineers,

please call Daikin’s boiler service network provider on:

Tel 03456 460430

Mon - Fri 8.00 - 17.30 & Sat 09.00 - 16.00

Bank holiday 10.00 - 14.00 (with exclusion of Christmas Day)


To help provide a quick and efficient response please make sure you have the full model number of the unit to hand. Your call will be answered by one of Daikin UK’s fully trained engineers.

If you need a quick explanation of, or remedy to a fault code, and don’t have your service manual to hand, please send the fault code to our SMS Fault Code Service on 07797 801908 and we will advise you by return.

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