Troubleshooting Procedures - Jacuzzi j-300 Installation, Use & Maintenance Manual

Panel Displays T--OH
Do not get into the hot tub, as the water may be too hot.
Water temperature is above acceptable limits. DO NOT ENTER
SPA! Water temperature has reached 112°F (44°C). The circula-
tion pump has activated to circulate water through heater. Con-
tact your authorized Jacuzzi dealer or qualified service techni-
cian. The display will alternate between "T--OH" and the current
water temperature.
Note: As a safety measure, the red lights of the spa will flash on and
off as an indication that the spa is an overheat condition.
The panel displays H--OH
Do not get into the hot tub, as the water may be too hot.
The maximum temperature sensor has measured a value exceed-
ing the acceptable limits. The water temperature has reached 44
°C (112 °F). Pump 1 has been activated to allow the water to cir-
culate in the heater. Contact your Jacuzzi® retailer or a qualified
support service technician. The display shows "*H--OH*" (over-
heating) which alternates with the current water temperature.
Note: the red lights on the hot tub flash as a safety measure.
Restore conditions (messages T-OH and H-OH):
Remove the spa's cover and allow your spa to cool down.
Program the heater settings for Economy Mode. Raise water
temperature setting to cancel Summer Logic condition.
If the condition persists, contact your authorized Jacuzzi dealer.
Panel Displays (-- -- -- --)
Do not get into the hot tub, as the water may be too hot.
Water temperature is above acceptable limits. DO NOT ENTER
SPA! The safety "Watchdog" software has been triggered and the
spa is deactivated. A problem has been detected which could
cause damage to the spa or its components. The display will al-
ternate between "-- -- -- --" and the scrolling message "WATCH-
DOG CALL FOR SERVICE" as long as the error exists. Contact your
authorized Jacuzzi dealer or qualified service technician.
Note: As a safety measure, the red lights of the spa will flash on
and off as an indication that the spa is in watchdog condition.

Troubleshooting Procedures

In the event your Jacuzzi spa is not working the way it should, please
first review all the installation and operating instructions in this
manual and check for messages on the panel display. If you are still
not satisfied it is working properly, please follow the appropriate
troubleshooting instructions below.
Always insist on genuine Jacuzzi replacement parts.
Note: If any of the supply cords to accessories are damaged, they
must be replaced by authorized service personnel. Contact your
authorized Jacuzzi dealer or qualified service technician.
FL--1 and FL--2
To try an correct an FL--1 and FL--2 condition perform the fol-
lowing:
Disconnect the hot tub from the electrical power supply.
1. Verify water level is above all jets but below lowest pillow. Add
water if necessary.
2. Check for clogged or dirty filter cartridge (Sec. "Cleaning The
Filters").
3. Purge "air lock" from circulation pump intake by removing fil-
ter cartridge. Hold your garden hose over the filter cartridge wall
fitting while using a rag as a seal around hose end. Ask a helper
to turn on water for 30 seconds, then turn off. Reinstall filter car-
tridge and check spa (Sec. "Cleaning The Filters").
4. If the recirculation pump is not working, try turning the main
switch on and off.
5. If problem persists, contact your authorized Jacuzzi dealer.
FL--3
Before contacting your Jacuzzi® retailer, clean the filter (i) and
check the level in the tub is correct.
None of the Components Operate (e.g. Pump, Light)
Check the following:
1. Is there power to the spa?
2. Is the household circuit breaker tripped?
3. Contact your authorized Jacuzzi dealer or qualified service
technician.
Pump Does Not Operate
Press the JETS 1 button. If no water movement is detected, make
sure power is going to the spa and check the water level. If this
does not solve the problem, contact your authorized Jacuzzi
dealer or qualified service technician. The main jets pump 1 op-
erates but no water flows to jets. Check the following:
1. Jets may all be closed. Verify all jets are in the open "on" position.
2. Pump may not be properly primed. This can happen after the
spa is drained and refilled. Press the JETS 1 button on the control
panel several times, never leaving the motor running for more
than 5 to 10 seconds at a time. Turn power off and let the air out of
spa plumbing system by removing the filter cartridge (Sec. "Clean-
ing The Filters"). Make certain you reinstall the filter cartridge be-
fore turning on spa power and restarting the jets pump 1.
Poor Jet Action
Make sure all jets are in the full open "on" position.
Press the JETS 1 button to make certain pump #1 is on.
Verify all air controls are in the "on" position by pressing down on
their Jacuzzi Logo (Sec. "Air Controls").
Check for dirty filter. Clean, if necessary.
Water is Too Hot
Reduce thermostat setting.
No Heat
1. Check thermostat setting.
2. Keep the spa cover in place while heating.
3. Check the settings to see if your spa is in economy mode (Sec.
"Programming the Heating Mode").
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