Heatrae Sadia SUPREME 220SS Fitting Instructions And User Manual page 13

SYMPTOM
Water flows from vent and primary
cutout activates
Steam from vent pipe and primary
cutout operates
Drips from outlet
Water "runs on" when tap released
Stale taste to water
Tap sticks open
Water consistently cooler than when
new
Any faults that cannot be identified using the Fault Finding chart, or in
case of doubt, contact the Heatrae Sadia Service Department,
telephone 08701 600125 , Fax 08701 600181.
POSSIBLE CAUSE
1. Solenoid valve fault
2. Level sensor fault
3. Electronic control fault
1. Control thermistor fault – open
circuit
2. Electronic control fault
3. Scale build up
1. Incorrect spring tension
2. Scale : debris under tap seal
3. Damaged tap seal
4. Scale on tap outlet spout
1. Scale on tap outlet spout
2. Scale : debris under tap seal
3. Damaged tap seal
Unit left unused for several days
1. Handle in pan filling - option 2
2. Dirt around handle pivot
1. Control thermistor pocket has a
covering of scale
2. Control thermistor out of
calibration
3. Steam thermistor out of calibration 3. Check values (5Kohms at 100°C,
ACTION
1. Check operation of solenoid valve,
replace if necessary
2. Check level system earth
connections
3. Check connections to electronic
control. Replace if necessary
1. Check continuity (5Kohms at
100°C , 100Kohms at 25°C)
2. Check connections to electronic
control. Replace if necessary
3. Descale unit
1. Ensure tap headwork nut correctly
adjusted
2. Remove and clean as necessary
3. Replace tap seal
4. Clean tap outlet
1. Clean tap outlet
2. Remove and clean as necessary
3. Replace tap seal
Empty and allow to refill before use
1. Reset to general use - option 1
2. Clean with a stiff paint brush
1. Descale the pocket surface & unit
2. Check values (5Kohms at 100°C,
100Kohms at 25°C)
100Kohms at 25°C)
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