12 | SmithsEP.co.uk | Issue 002 - October 2018
Fault finding
Fault
Possible cause
Checking/Solution
Lack of heat/poor heating
performance
Poor flow rate in heating system
Check pump is operating correctly
Bleed air from system
Balance heating system
Debris in heat exchanger
Check and clean any foreign material from heat exchanger,
See Instructions for safe cleaning
Remove any external restrictions from both inlet and outlet grilles
Heat emitter valves incorrectly set
Check Thermostatic Radiator Valve (TRV) is open
Check that Lock Shield Valve is open
Air present within heating system
Ensure that heating system is completely free of air, purge air
from heating system using best practices
TRV Valve
Thermostatic Radiator Valve (TRV) head faulty, Replace
Heat Source
Ensure boiler is on and calling for heat
Check pump is operating correctly
Ensure both flow and return pipe to heat emitter are of
adequate temperature
Ensure that heating system is completely free of air
In the event of any difficulty, please contact us on +44 (0) 1245 324560.
It will be more helpful if you do not remove the product from the central heating system.
