The Smartcom panel shows 'SERVICE HOURS' because the controller has a programmed burner hour limit. This is default at 1200 hours but can be adjusted within the Engineers codes. Once the heater has reached this set limit, the screen will show 'SERVICE HOURS' on the display to register that a service is due. Please see the SmartCom3 Control Panel Installation and User Manual for more information.
Why does my Smartcom panel show 'SERVICE HOURS'?
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