What the manual says
Manufacturer manualFlow/return reversed
From this model's manual
Verified against the Ideal/Ideal Vogue Combi installation & service manual.
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.
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All 38 fault codes on the Vogue Combi
Seeing a different code? Every code this model can display, in one place.
4.44.54.64.74.84.94.104.114.124.134.144.154.16BLANK DISPLAYFAN FAULTFLAME LOSSFLAME ON BEFORE GV ONFLOW THERMISTOR FAULTFLOW/RETURN THERMISTOR FAULTIGNITION LOCKOUTLOW MAINS VOLTAGELOW WATER PRESSURENO CH BUT DHW OKNO CONNECTION TO PRIMARY PCBNO DHW BUT CH OKNO WATER FLOW FAULTOUTSIDE SENSOR FAULTOVERHEAT LOCKOUTPCB FAULTPCB REPLACEDPUMP LOW VOLTAGE FAULTPUMP ROTOR BLOCKEDRETURN THERMISTOR FAULTSERVICE DUETHERMAL FUSE LOCKOUTTOO MANY RESETSTOO MANY RESTARTS