TradeAssistIQHome

Worcester Bosch Greenstar 4000 Combi fault 2085

Internal fault

Gas boiler

What it means

General internal fault detected within appliance electronics.

Likely causes

  1. Mains voltage issue
  2. Incorrect polarity
  3. Faulty PCB

Where to start

  1. Check the incoming mains voltage
  2. Check the polarity

The full answer, free

  • How to put it right, step by step
  • The manual page for this fault (page 76), right under the answer
Ask about 2085 freeCreate a free account

Safety: Isolate gas and power before you open the case. If you have been into the gas side, do a tightness test, and a combustion and flue check before you hand back. Gas Safe (UK) or RGI (Ireland) work only.

From the Worcester Bosch manual for the Greenstar 4000 Combi. Check the model on the data plate before you order parts.

Other Worcester Bosch Greenstar 4000 Combi fault codes