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Fault Finding Guide7
7.4 Cold Water from Hot Water Taps
19
Yes
NoNo
No
No
No
No
Yes Yes
Yes
Yes
Is Programmer
calling for Hot
Water?
Is Motorised Valve
working?
Is boiler working?
Is Cylinder Stat
Calling for Heat?
Check Motorised
Valve motor and
micro-switch
Has Thermal
Cut-Out
Operated?
Check and reset
button
Check and replace
Cylinder
Thermostat
Cold water from hot taps
Test for correct operation. If water is still cold,
contact a competent Engineer
Check and Set
Hot Water setting
Fault Finding Guide