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Johnson & Starley Fault Codes
Select a fault code to see its meaning, common causes and how to fix it.
- 1 Fault Code 1 on Johnson & Starley boilers indicates that the boiler has attempted to light the burner and failed to… Read more →
- 13 Fault code 13 (shown as E13 on the display) is a safety lockout that appears across several Johnson & Starley ranges —… Read more →
- 2 Fault Code 2 (shown as 'Display 2' on the LCD/LED panel) appears on Johnson & Starley Economaire warm air heaters when… Read more →
- 21 Fault code 21 on Johnson & Starley warm air units points to a problem with the Air Circulation Fan (ACF) — the fan… Read more →
- 25 Fault code 25 on Johnson & Starley WarmCair condensing warm air heaters (C Series and DW Series) indicates that the… Read more →
- 26 Fault code 26 on Johnson & Starley WarmCair warm air heaters is a collective safety lockout code displayed as 'E26' on… Read more →
- 3 Fault Code 3 on a Johnson & Starley warm air unit signals that the Air Pressure Switch (APS) has not detected the… Read more →
- 30 If your Johnson & Starley 30-series boiler (such as the WarmCair, Reno HE30C, QuanTec 30C, or RenoXtra 30C) has shut… Read more →
- 31 Fault code 31, displayed as E31 on Johnson & Starley boilers (including the Reno HE range and WarmCair warm air units),… Read more →
- 34 Fault code 34 on a Johnson & Starley warm air unit indicates that the boiler's control electronics have detected an… Read more →
- 45 Fault Code 45 appears on Johnson & Starley WarmCair warm air boilers when the control system detects a short circuit in… Read more →
- 46 Fault code 46 on Johnson & Starley WarmCair warm air heaters indicates that the control board has detected an open… Read more →
- 5 Fault Code 5 on Johnson & Starley appliances — displayed as 'E5' on WarmCair warm air heaters and related models such… Read more →
- 57 Fault code 57 on Johnson & Starley Warmcair warm air boilers indicates that the control system has detected the return… Read more →
- 7 Fault code 7 on Johnson & Starley warm air heaters (Economaire and WarmCair ranges) indicates a problem with the gas… Read more →
- 8 Fault code 8 on Johnson & Starley Economaire warm air heaters points to one of two related problems detected by the… Read more →
- 9 Fault code 9 appears on the red LED display visible through the small viewing hole on the front panel of Johnson &… Read more →
- 99 Fault code 99 on Johnson & Starley warm air boilers indicates that the MMI (Man Machine Interface — the control panel… Read more →
- E01 The E01 code appears on Johnson & Starley boilers when the burner has failed to establish a flame after three… Read more →
- E05 The E05 code appears on Johnson & Starley boilers — including the Quantec, Reno HE, and WarmCair ranges — when the PCB… Read more →