Self diagnose your boiler faults.
Potterton is owned by BAXI and the range of boilers made by Potterton are super energy efficient, with prices ranging from around £600 up to £2,000. Even the highest quality Potterton boiler can develop faults, so if yours has - call us.
The E133 is a fault on the Potterton boiler that some might see as quite a common fault code. – Live in Northampton? Get a boiler repair.
The E20, E78 and E50 are well known fault codes on the Potterton. Also the E83, E84, E85, E86 and E87 are common and are related to a communication error.
| Fault/Error Code | Possible Cause |
|---|---|
| E10 | Sensor Fault – Outdoor sensor error Reset boiler |
| E20 | Sensor Fault – Central heating thermistor sensor fault Engineer required |
| E28 | Thermistor Fault – Flue thermistor fault Engineer required |
| E50 | Sensor Fault – DHW Domestic hot water sensor fault |
| E110 | Overheating – Boiler Overheating Engineer required |
| E119 | Pressure too low – Engineer required |
| E125 | Circulation Fault – Water circulation fault Engineer required. |
| E130 | Boiler lockout – Flue thermostat sensor tripped Engineer required |
| E133 | Ignition fault – Gas Ignition fault Engineer required |
| E152 | PCB Error – PCB Fault. Engineer required |
| E160/E161 | Fan fault – Loose or damaged fan. Loose or damaged connections Engineer required |
| E164 | Sensor fault – Domestic hot water sensor error – could be a heating flow switch error. Engineer required |
| E167/E168 | PCB Fault – PCB error fault and boiler lockout. Engineer required |
| E09 | Wiring fault – Gas valve fault. Engineer required |
| E10 | Sensor fault – Outdoor sensor fault. Engineer required |
| E15 | Connection fault – Gas valve fault Engineer required |
| E40 | Thermistor fault – Central heating return thermistor fault. Engineer required |
| E78 | Sensor fault – Water pressure sensor fault. Engineer required |
| E83/E84/E85/E86/E87 | Communication fault – No communication between room controller and boiler. Engineer required |
| E92 | Combustion test – Combustion test alarm during auto-setting. |
| E321 | Thermistor fault – Hot water thermistor fault Engineer required |
| E385 | Low voltage – Low voltage less than 195v Engineer required |
Head Office:
THS Plumbing & Heating Northampton
3 Sunningdale Close
Northampton
NN2 7LR
Tel: 01604 212732
Open: Monday-Sunday 7:30am - 10:00pm
