Jacuzzi J-435 - Restarting Your Spa in Cold Weather

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to clean the shower), taking care to remove any residues with
plenty of water.
Do not use abrasive products.
8- Replacing the quartz tube. Position the new quartz tube
(2) into its place (1), first inserting the domed end and checking
that the other end has been inserted correctly in its support (if
the position is correct, only a small part of the tube is exposed).
9- Re-apply the washer (4) to the open end of the tube. Retight-
en the nut (5) and refill the hot tub far enough to operate the
pumps and to verify that there are no leaks from the nut; in
case of leaks tighten it by up to 1/4 of a turn.If that does not
suffice, it is necessary to clean the quartz tube again, checking
for leaks before proceeding to the next step.
10- Turn on the hot tub’s main switch again.
11- Activate the pump so that water flows through the Clear-
ray® system; allow it to continue to operate for about 5 min-
utes, making sure there are no leaks. In case of leaks, switch
off the pump and the master switch, repeating the quartz tube
cleaning procedure.
12- Reconnect the UV lamp (7) connector to the power supply
(11); if replacing the lamp, insert it into the quartz tube.
Do not handle the UV lamp with bare hands; use a pair of
latex gloves to handle the UV lamp.
13- Place the lamp cover (6) on the nut (5).Finally, screw the
acover (9). Finally, screw the cover (9) with the gasket (8) and
the screws (10).
The UV lamp contains mercury; in case of replacement,
discard the old lamp as specified by law.
4 -Turn on the hot tub master switch again and
test the operation of the device: the green led
signals that the Clearray® is powered (and should
always be on) while the red one indicates that the
UV lamp is turned on.
Error/Display Messages
There are a number of unique functions designed into your
Jacuzzi spa to protect it from damage and/or to aid in trouble-
shooting.
When an error occurs the spa will notify you by showing the
screen below.
A solid white light indicates that all operations are normal. A
solid red light indicates that immediate attention is required
to clear or fix an error code.
Following is a listing of all the possible messages along with their
meanings. Always insist on genuine Jacuzzi replacement parts.
(
) will remain on the screen as a reminder. If the error is not
taken care of or fixed, the error display will reappear in 2 hours.
The flow switch is malfunctioning open. Heater
is disabled. The circulation pump’s filter is
excessively dirty, or an air lock has occurred at
the circulation pump intake. Contact your
authorized dealer or service organizations.
FLOW ERROR
1
100
6:45p
2
“OPEN FLOW SWITCH” The flow switch circuit will not close
(Heater is deactivated)
The circulation pump’s filter cartridge is excessively dirty or there is
an air lock at the circulation pump intake.
Q Refer to the user manual for further information; contact
your authorised Jacuzzi® retailer.
“CLOSED FLOW SWITCH”
(Heater is deactivated. The filter/circulation may also be deac-
tivated.) The flow switch is malfunctioning closed.
QContact your authorised Jacuzzi® retailer.
“FLOW RESTRICTION” (decrease in water flow)
Heater deactivated.
QBefore contacting your Jacuzzi® dealer, check that the filters
are not clogged (refer to the chapter on cleaning the filters)
and that the water level is correct.
“SHORTED HILIMIT TEMP SENSOR”
The hi-limit temperature sensor is not functional. Heater is
disabled.
Q It must be repaired by an authorised Jacuzzi® technician
only
“OPEN HILIMIT TEMP SENSOR” The maximum temperature
sensor circuit will not close
The hi-limit temperature sensor is not functional. Heater is
disabled.
Q It must be repaired by an authorised Jacuzzi® technician
only
“SHORTED WATER TEMP SENSOR”
The temperature sensor is not functional. Heater is disabled.
Q It must be repaired by an authorised Jacuzzi® technician
only
“OPEN WATER TEMP SENSOR” The water temperature sensor
circuit will not close
The temperature sensor is not functional. Heater is disabled.
Q It must be repaired by an authorised Jacuzzi® technician
only
“CLOSED FLOW SWITCH ON STARTUP”
Flow switch is non-functional. Closed or shorted flow switch
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