Boiler model
Potterton Potterton Assure System Fault Codes
Verified fault-code information for the Assure Combi & System range.
Fault-code index
- E09 — Assure Combi & System
Gas valve connection fault.
Read fault code - E10 — Assure Combi & System
External probe fault.
Read fault code - E109 — Assure Combi & System
Precirculation alarm.
Read fault code - E110 — Assure Combi & System
The boiler maximum temperature was exceeded, or the safety thermostat sensor tripped.
Read fault code - E118 — Assure Combi & System
Water pressure is low, below 0.5 bar.
Read fault code - E12 — Assure Combi & System
Differential water-flow switch fault; the switch is still open.
Read fault code - E125 — Assure Combi & System
Water circulation fault.
Read fault code - E128 — Assure Combi & System
Safety error for frequent loss of flame.
Read fault code - E129 — Assure Combi & System
Safety error for frequent loss of flame with maximum correction during ignition calibration.
Read fault code - E13 — Assure Combi & System
Differential water-flow switch fault; the switch is still closed.
Read fault code - E130 — Assure Combi & System
Flue thermostat sensor tripped (lockout).
Read fault code - E133 — Assure Combi & System
Gas supply fault.
Read fault code - E134 — Assure Combi & System
Gas valve remained open without gas during a short request.
Read fault code - E15 — Assure Combi & System
Gas valve command fault.
Read fault code - E154 — Assure Combi & System
Flow/return plausibility test fault.
Read fault code - E160 — Assure Combi & System
Fan fault.
Read fault code - E20 — Assure Combi & System
Central-heating NTC sensor fault: short circuit or open circuit.
Read fault code - E270 — Assure Combi & System
Dry fire.
Read fault code - E28 — Assure Combi & System
Flue NTC sensor fault: short circuit or open circuit.
Read fault code - E317 — Assure Combi & System
Wrong electrical supply frequency.
Read fault code - E321 — Assure Combi & System
Domestic-hot-water NTC sensor fault, short circuit or open circuit.
Read fault code - E384 — Assure Combi & System
False (parasitic) flame.
Read fault code - E385 — Assure Combi & System
Under-voltage.
Read fault code - E40 — Assure Combi & System
Return central-heating NTC sensor fault: short circuit or open circuit.
Read fault code - E430 — Assure Combi & System
Temporary water-pressure fault.
Read fault code - E50 — Assure Combi & System
Domestic-hot-water NTC sensor fault on a tank boiler: short circuit or open circuit.
Read fault code - E83 — Assure Combi & System
No communication.
Read fault code - E84 — Assure Combi & System
No communication.
Read fault code - E85 — Assure Combi & System
No communication.
Read fault code - E86 — Assure Combi & System
No communication.
Read fault code - E87 — Assure Combi & System
No communication.
Read fault code