If F ˉ is shown on the heater as follows, it means the heater is downloading a firmware update. Please leave the heater switched on. Once the update is completed, it will go back to normal operation.
Require additional help? Please follow link below
https://glendimplexservice.freshdesk.com/a/solutions/articles/79000136321
Applicable to models:
Capa Connect App, DTD2R 05, DTD2R 07, DTD2R 10, DTD2R 12, DTD4R 05, DTD4R 07, DTD4R 10, DTD4R 15, DTD4R 20
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