What the manual says
Manufacturer manualComfort + II RF | Check the configuration (address setting). The selected setting requires a remote control. Check the EMS connection cable for the remote control for damage. The BUS voltage on the remote control must be between 12 and 15V DC. The remote control is defective.
Engineer required
This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Avoid the next call-out bill
A cover plan would handle faults like 3071: no call-out fees, no surprise bills.
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All 235 fault codes on the Greenstar 2000
Seeing a different code? Every code this model can display, in one place.