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J-400 Series
15.0 Troubleshooting - Display Messages
There are a number of unique functions designed into your Jacuzzi spa
to protect it from damage and/or to aid in troubleshooting. Following is a
listing of all the possible messages along with their meanings:
MESSAGE MEANING
Overheat Protection (Heater is deactivated, filter/
circulation pump is activated).
WARNING: RISK OF HYPERTHERMIA (OVER-HEATING)
!
Water temperature is above acceptable limits. Do
not enter the water! Remove spa cover to speed
cooling. See “Water Is Too Hot” on page 54. If
condition persists, contact your dealer or authorized
service center.
If the spa water is more than 20°F/6°C cooler than
the temperature set point, jets pump #1 and heater
will automatically activate to provide freeze
protection. The spa will stay in this mode until the
water temperature reaches 15 degrees below the
set temperature. No corrective action is necessary.
FLOW SWITCH (Heater is deactivated. The filter/
circulation may also be deactivated). Proper flow of
water is inhibited or a flow switch has malfunctioned.
Check for proper water level and for clogged filter
(page 43). Contact your dealer or service
organization.
Note: This message can also appear if the pump has not regained prime
after the spa has been drained and relled. If you suspect that this is the
case, see the instructions on page 53 under “pump does not operate but
icon does.
Circuit board temperature has exceeded acceptable
limit. This message will disappear when the circuit
board temperature drops below acceptable limit. If
condition persists, provide shade for equipment side
of spa.