IDEAL PRO Series Installation And Servicing page 21

SERVICING AND MAINTENANCE
START
Is power on to elements?
YES
Is control temperature
set at 60ºC - 65ºC?
YES
Has high limit tripped?
YES
Check wiring links
continuity and Re-set
END
START
YES
NO
Is boiler on?
YES
NO
Is hot water programmer
in 'on' position?
YES
NO
Is zone valve in
correct position?
YES
NO
Is control temperature
set at 60ºC - 65ºC?
YES
NO
Has high limit cut out?
YES
NO
Re-set
END
NO
Switch on
NO
Re-set
NO
Replace element
Switch on
Set programmer
Re-set, check wiring &
plumbing is correct
Re-set
NO
Is all wiring to the
controls ok?
YES
Replace thermostat
Page 21
FAULT - No Hot Water (Direct)
FAULT - No Hot Water (Indirect)
Re-wire
FAULT FINDING