Dimplex AC3RE Instruction Manual page 35

Factory Reset
If you wish to either reset the heater to default values, or disconnect and restore default
values of the remote:
• Hold down Up and Down buttons at the same time for 5 seconds to enter "Fr"
(Factory Reset) options.
• Use the arrow keys to toggle factory reset Heater (h) or Remote (r) and press
ENTER to confirm your option.
• Use the arrow keys to toggle Factory reset YES (y) or NO (n), and press ENTER
to confirm your option.
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