❹ Troubleshooti Ng; I Device Behaviour - Zodiac Z900 TD20 Instructions For Installation And Use Manual

❹ Troubleshooti ng
• Before you contact your reseller, please carry out these few simple checks using the following
tables if a problem occurs.
• If the problem conti nues contact your reseller.
• : Acti ons only to be carried out by a qualifi ed technician

4.1 I Device behaviour

• On start-up, the device remains "paused" for 1 at 6 minutes before it starts operati ng; the
compressor number(s) fl ash.
The device does
• When the setpoint temperature is reached, the heat pump stops heati ng: the water
not start heati ng
temperature.
straight away
• It may be that the heat pump has detected an operati ng fault (see § "4.2 I Displays").
• If you have checked these points and the problem persists: contact your reseller.
• Oft en called condensati on. This water is the moisture contained in the air which condenses
on contact with certain cold mechanisms in the heat pump, especially on the evaporator. The
more damp the air, the more condensati on your heat pump will produce (your device may
The device is
drain several litres of water per day).
• To check that the water is not coming from a leak in the pool circuit on the heat pump, shut
draining water
down the heat pump and run the fi ltrati on pump for the water to circulate in the heat pump. If
the water conti nues to fl ow through the condensati on drains aft er half an hour, there is a water
leak in the heat pump; contact your reseller.
• Your heat pump will soon switch to its defrost cycle to melt the ice.
The evaporator is
• If your heat pump cannot manage to deice its evaporator, it will stop itself; this means that the
iced over
outdoor temperature is too low (below -12 °C).
The device is
• This may occur when it is in a defrost cycle and the water is converted to gas.
"smoking"
• If there is no display, check the supply voltage and the general protecti on fuses.
• When the setpoint temperature is reached, the heat pump stops heati ng: the water temperature
is higher than or equal to the setpoint temperature.
The device is not
• When the water fl ow rate is zero or is not enough, the heat pump stops: check that the water
working
is circulati ng correctly in the heat pump (fault
• The heat pump stops when the outdoor temperature is too low (fault
• It may be that the heat pump has detected an operati ng fault (see § "4.2 I Displays").
• Set the fi ltrati on 24/24 and close the cover or shutt er if the pool has one.
• Check that the automati c fi lling valve (if present) is not stuck in open positi on; this will keep
The device is
supplying cold water into the pool and will prevent the temperature from rising.
working but
• There is too much heat loss as the air is cool. Install a heat insulated cover on your pool.
the water
• The heat pump is unable to capture enough calories as its evaporator is clogged with dirt. Clean
it to restore its performances (see § "3.2 I Servicing").
temperature does
• Check that the external environment is not hindering the heat pump (see § "❶ Installati on").
not increase
• Check that the heat pump is the right size for this pool and its environment.
• Check that the circuit breaker is correctly dimensioned and that the cable secti on used is
The device trips
the right one (see § "5.2 I Technical specifi cati ons").
the circuit breaker
• The supply voltage is too low; contact your electricity supplier.
displayed).
displayed).
EN
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