Also shown as:
C6215Quick answer
On Worcester Bosch boilers, fault code C6 215 means: Fan fault. The boiler has locked out for safety. Try the safe checks below and one reset; if the code returns, call a qualified gas engineer.
Smell gas? Don't use switches or flames, open windows, close the gas valve, leave the building and call your gas emergency number. Never open the boiler casing yourself.
Can I keep using the boiler?
Severity: Medium
The boiler has locked out for safety. Try the safe checks below and one reset; if the code returns, call a qualified gas engineer.
Common causes
- Faulty fan motor or fan wiring
- Damaged wiring or a loose/corroded connector
- Blocked or damaged flue
How to fix it
- Press the boiler's reset button once and wait for it to restart
- Have a qualified gas engineer inspect the boiler; never open gas or flue parts yourself
Frequently asked questions
What does Worcester Bosch error C6 215 mean?
On Worcester Bosch boilers, fault code C6 215 means: Fan fault.
How do I fix Worcester Bosch error C6 215?
Start with these steps: Press the boiler's reset button once and wait for it to restart; Have a qualified gas engineer inspect the boiler; never open gas or flue parts yourself.
Is it safe to use the boiler with fault C6 215?
Severity: Medium. The boiler has locked out for safety. Try the safe checks below and one reset; if the code returns, call a qualified gas engineer.
Worcester Bosch boiler fault codes
EA 227Ignition failure, no flame detectedE9 224Overheating (safety limit tripped)A1 281Pump faultD1 240Temperature sensor (thermistor) faultE2 222Temperature sensor (thermistor) faultF7 228False flame detectedFA 306False flame detectedFD 231Power supply interrupted1017Water pressure too low