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SAVE A SERVICE CALL
Check the items below before making a service call. You will be charged for attending to any condition or fault
that is not related to manufacture or failure of a part.
COLD WATER FROM THE HOT TAP
Close the hot tap, wait 10 seconds and open the hot tap again.
Is the hot tap open enough?
The gas booster burners will not light if the flow rate is less than 2.0 L / min.
Solar control unit and gas booster not operating
Check the power supply cords are plugged in and the power outlets switched on.
Is power available in the house?
Try using another electrical appliance.
Gas supply
Is the isolation valve in the gas line open?
Is there a gas supply to the rest of the house?
Try lighting another gas appliance.
Has the gas line been purged of air after installation?
Refer to a plumber.
REDUCED HOT WATER FLOW WHEN HEAT EXCHANGER IS COLD
At a cold start-up, i.e. when the gas booster has not operated for some time (which is most often first thing in
the morning), the initial flow of hot water may be reduced for a period of 5-10 seconds while the heat exchanger
warms up.
This is both an energy and water saving feature of this water heater.
Once the heat exchanger
has warmed up the hot water flow will increase and remain at normal flow levels. This feature will only occur
at a cold start-up and not when the heat exchanger is already warm from a recent use of hot water.
NO WATER FROM THE HOT TAP
No flow of water from the hot tap may indicate a restriction in or failure of the cold water supply to the water
heater. Check for water flow at other taps and that the cold water isolation valve (
45) is fully open.
WATER FLOW FLUCTUATES
Too many taps in use at the same time may cause a decrease in the hot water flow from the taps. This can be
evident if the solar heated water is at a low temperature and the in-series gas booster is operating.
Are there several taps open, or are appliances such as a dishwasher or washing machine, in use at the
same time?
Ensure no more than two or three taps or appliances are on at the one time.
Check the flow of hot water from each tap to see if one or more outlets are using more water than you
think.
Have a plumber install a flow control valve to each shower outlet, basin and sink to reduce water usage.
