Worcester GreenStar DanesMoor

USER INSTRUCTIONS & CUSTOMER CARE GUIDE
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FAULT FINDING
8-716-106-255a (03.05)
FAULT FINDING
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Desired room temperature
is not reached
Thermostatic radiator
valve(s) set too low
Increase thermostatic radiator
valve setting(s)
Room thermostat set too low Increase room thermostat setting
Temperature control for
CH flow on boiler set too
low
Increase CH flow temperature
control setting
Air trapped in heating
system
Bleed radiators and recharge
heating system
Desired room temperature
exceeded by large amount
Radiators are too hot Turn down thermostatic radiator
valves / room stat / CH
temperature control setting
Temperature rises instead
of falling
Clock is incorrectly set Check setting
No display or display unit
does not respond
Momentary power failure Switch off appliance at master
switch, wait a few seconds then
switch on again
Hot water temperature too
low
Hot water temperature set
too low
Check setting of cylinder
thermostat then CH flow
temperature control setting
Tank cold Check programmer timings
PROBLEM CAUSE REMEDY