BoilerFaultCodesPotterton E83483 Fault Code
The Potterton E83483 fault code means: your boiler's temperature sensors for the hot water storage tank are sending incorrect signals, preventing the system from heating your water correctly.. It appears on 1 Potterton model in our database.
Technical description: Immersion NTC Sensors
What causes the Potterton E83483 fault?
This fault occurs when the boiler receives conflicting or impossible temperature readings from the sensors inside your hot water storage tank. The most common reason is that the internal electrical components of the sensor have degraded over time or the wiring connecting them to the main control board has become loose or damaged.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Potterton models that show the E83483 fault code
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Source
Potterton E83483 fault code information on this page is sourced and cross-checked against the official Potterton service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026