Worcester Bosch · Greenstar Highflow CDi ErP
Fd boiler fault code
Greenstar Highflow 440CDi ErP & 550CDi ErP
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What Fd means
Reset button pressed by mistake.
Gas Safe engineer: If Fd remains after one further Reset press, contact a Gas Safe registered engineer.
If you smell gas, a CO alarm sounds, anyone feels unwell, or there is an unsafe flame, leave and call 0800 111 999 from outside.
Safe check
If Fd appeared after an accidental Reset press, press Reset once more. If Fd remains, contact a Gas Safe registered engineer.
When to contact an engineer
If Fd remains after one further Reset press, contact a Gas Safe registered engineer.
Source and provenance
- Greenstar Highflow CDi ErP User Instructions 6 720 818 076 (2015/12) · §7.1 Error codes, printed p. 14
user instructions
2015/12
- Greenstar Highflow 440CDi ErP & 550CDi ErP Installation, commissioning and servicing instructions 6 720 818 077 (2016/04) · §7.5 Fault finding Table 17, printed p. 47
installation, commissioning and servicing instructions
2016/04
Renting? Report it to your landlord or housing provider first. They are responsible for gas safety and boiler repairs, and the repair should not cost you.
Did this fix it?
After: Reset the boiler once