What the manual says
Manufacturer manualFlow thermistor fault
From this model's manual
Verified against the Ideal/Ideal Vogue Combi installation & service manual, page 66.
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.
Find a Gas Safe engineer
Search the official register →
Boiler cover options
Avoid the next call-out bill
A cover plan would handle faults like FLOW THERMISTOR FAULT: no call-out fees, no surprise bills.
Approved partner
Get a quote →
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Affiliate links. We may earn a commission at no extra cost to you.
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/RETURN REVERSEDFLOW/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