What should I do if an error code 'E' or 'd' appears on the temperature display?
The electronics have detected a fault. Switch off the appliance, disconnect it from power for 5 minutes, then reconnect and switch it back on. If the message still appears, contact Customer Service at 1-800-944-2904. (Page 28)
From the official Bosch B36CT Freezer Refrigerator manual, page 28
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