Error Codes - Worcester GREENSTAR CDi CLASSIC User Instructions

Maintenance
4.3

ERROR CODES

When calling Worcester, Bosch Group, you may be asked for the error code. This Table is for you to help identify
the possible cause of the fault.
▶ Do not try to rectify any of the faults listed below by yourself.
▶ Contact British Gas or a competent, qualified engineer (Gas Safe registered personnel).
Error code Description
A7 Hot water NTC sensor defective.
A8 Break in communication to FX controls
b1 Code plug not detected.
C6 Fan speed too low.
E2 CH flow NTC sensor defective.
E9 Safety temp. limiter in CH flow has tripped.
EA Flame not detected.
If it safe to do so, check for:
• gas is on in the house
• frozen condensate pipe
• blocked flue outlet
F0 Internal error.
F7 Flame detected even though boiler switched off.
FA Flame detected after gas shut off.
Fd Reset button pressed by mistake.
Table 5
16 GREENSTAR CDi CLASSIC COMBI – 6 720 812 179 (2014/07)