Fault Finding - Worcester GreenStar DanesMoor User And Care Manual

PROBLEM
Desired room temperature
is not reached
Desired room temperature
exceeded by large amount
Temperature rises instead
of falling
No display or display unit
does not respond
Hot water temperature too
low
14

FAULT FINDING

FAULT FINDING
CAUSE
Thermostatic radiator
valve(s) set too low
Room thermostat set too low
Temperature control for
CH flow on boiler set too
low
Air trapped in heating
system
Radiators are too hot
Clock is incorrectly set
Momentary power failure
Hot water temperature set
too low
Tank cold
USER INSTRUCTIONS & CUSTOMER CARE GUIDE
REMEDY
Increase thermostatic radiator
valve setting(s)
Increase room thermostat setting
Increase CH flow temperature
control setting
Bleed radiators and recharge
heating system
Turn down thermostatic radiator
valves / room stat / CH
temperature control setting
Check setting
Switch off appliance at master
switch, wait a few seconds then
switch on again
Check setting of cylinder
thermostat then CH flow
temperature control setting
Check programmer timings
8-716-106-255a (03.05)