Boilers Error Codes
7 error codes across 1 brands. Find your code, what it means, and how to fix it.
Worcester
7 codesSummer mode indicator — heating is switched off, DHW supply and power for heating controls remain active.
Service function — appliance is performing air discharge/bleeding cycle, typically lasting approximately 4 minutes.
EMS (Energy Management System) connection has failed — appliance cannot communicate with external control system.
Safety-related fault — heating and hot water will not be available until remedied by a qualified heating engineer.
Fault indicator symbol — appears on display when a fault has occurred in the appliance.
Low pressure indication — system pressure has dropped below the safe operating range.
Service function — appliance is in siphon fill mode during initial startup to fill the condensate trap.