Troubleshooting - Delta ELEKTRA UV E Serie Notice De Montage Et D'entretien

H. TROUBLESHOOTING
The list below will help guide you through any problems you may have at time of initial installation or in
the future. For additional assistance, contact your supplier or BIO-UV at the address, e-mail or phone
shown at the end of this manual.
The UV Bulb Will Not Light - If this occurs upon initial start-up, the problem could be caused by a
number of issues:
a. The pressure switch is open. This is caused by low pressure in your system. Make sure the
pump is on (the bulb will only light when there is 5 psi water pressure inside your EUV unit's wet
chamber). Verify that the pressure gauge reads 5 PSI or more. If it does not read at least 5 psi,
reduce flow exiting the EUV unit by partially closing the valve on the discharge piping exiting the
EUV unit. This will increase the pressure inside the EUV wet chamber. - A low pressure 1/2 psi
pressure switch (P/N 70-02315) is also available and can be installed in lieu of the 5 psi pressure
switch supplied.
b. The bulb has become disconnected from the bulb connector. Disconnect the power cord from
the electrical outlet, open the electrical enclosure bonnet and confirm the bulb connector is firmly
in place. At the same time, check all exposed wires for a possible loose connection. Plug the
electrical cord back into the electrical outlet ONLY after the electrical enclosure bonnet has been
re-installed on the EUV unit.
c. Verify that the electrical cord is plugged into a hot outlet. Test the electrical outlet. You should
confirm the availability of the same power as indicted on the electrical label on your EUV unit.
d. Make sure you have not plugged your unit into any power source other than that specified on
your unit's electrical label. If you have done so in error, the ballast has been damaged and needs
to be replaced. Contact your supplier for the correct replacement ballast. (Not warranted)
The UV Bulb Is No Longer Lit - This occurs after the unit has been operating successfully for a period
of time:
a. The bulb has burned out. Replace the UV bulb.
b. The ballast has burned out. Contact your supplier or BIO-UV for assistance in obtaining a new
ballast.
c. Verify that the electrical outlet where the EUV unit is plugged into has the proper voltage and the
cord is securely plugged into the outlet.
d. Verify that the GFCI has not tripped. To verify the operating state of the GFCI, trip the GFCI
manually and reset it manually. The GFCI should reset. If it does not, it indicates a fault to
ground in the electrical circuit or the EUV unit itself.
The UV Bulb Stays Lit When The Pump Is Off - The EUV unit is equipped with a safety pressure
switch that turns the UV bulb off when the pump is turned off. This function guards against having the
bulb lit accidentally when the electrical enclosure bonnet is removed and serves to ensure that there is
water flowing in the EUV unit wet chamber to cool the bulb and extend its life.
a. If the EUV unit is located below the water level of the pond or pool, there is a static head of water
that causes pressure to be found inside the wet chamber. This static head of pressure closes the
pressure switch and the bulb stays lit even when the pump is off. Contact your supplier or BIO-
UV to obtain a special pressure switch that can be adjusted to allow for the static head of water.
b. If the EUV unit is located above the water level of the pond and the bulb stays lit when the pump
is off, replace the pressure switch.
The Water Is Green - Green water is an indication that the UV rays generated by the EUV unit are not
effective or are not being generated by the UV bulb.
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