What the manual says
Manufacturer manual20.5kW (70,000 Btu/h)
Shared across the Solo 3 PFL range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
DIY fix possible
Check your boiler's manual or data plate to confirm that 70 refers to the unit's heating capacity rather than a flashing error light.If the boiler is actually showing other flashing lights, consult your user manual for the specific fault sequence.If the boiler is working normally, no action is required.
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 70: 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 6 fault codes on the Solo 3 PFL
Seeing a different code? Every code this model can display, in one place.