The TRM & CTR towel rail controls will remember all configured settings when powered off, except the current time. The current time is only held for around 6 hours in the event of power loss, by the use of a small backup capacitor.
It is not a battery and does not require replacement.
Require additional help? Please follow link below
https://glendimplexservice.freshdesk.com/a/solutions/articles/79000136321
Applicable to models: TRM21W4, TRM14W5, TRM21W5, TRM28W5, TRM21C4, TRM14C5, TRM21C5, TRM28C5, CTR7W, CTR7C, CTR10W, CTR10C, CTR12W, CTR12C
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