MUL
TIPOINT
11
Disconnect the electrical supply before removing the terminal cover. It is recommended
that any service operations on this Heatstore heater are carried out by a competent
person.
11
8.0 FAULT FINDING
.
ACTION
POSSIBLE CAUSES
FAULT
1. Check switches closed.
2. Check fuses/MCB. If blown/tripped
identify cause and and rectify before
replacing/re-setting.
3. Check supply cord not damaged.
1. Electrical supply fault.
Water not heating
2. Check cut-out. If operated, reset and
check thermostat for failure in the
closed position or too high a setting. See
section 3.0
If necessary replace thermostat/thermal
cut-out .
2. Thermal cut-out tripped.
4. Check thermostat for failure open
circuit, replace if necessary.
4. Thermostat faulty
- open circuit.
Water too hot
1. Check thermostat setting.
1. Thermostat set too high.
3. Element failure.
3. Replace element. See section 6
