Why does my GastroCH4ECK say 'PWR' in a pink circle?

Power Supply Has Reached It's Lifetime On GastroCH4ECK

The device has been running for more than 16,000 hours. You should return the device to your local distributor to replace the power supply unit (PSU) as it has reached its lifetime.

If the problem persists or has not been resolved by the information provided above, please contact Bedfont or your local distributor for more advice.