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Page 74
J-400 Series
3. Communication error: Communication between the control panel and
circuit board is faulty. If condition persists, contact your authorized
dealer or service organization.
4. Pump does not operate: (Heater is deactivated. The lter/circulation
may also be deactivated). Proper ow of water is inhibited or a
ow switch has malfunctioned. Check for proper water level and
for clogged lter (page 67). If no sound is detected or if a “buzzing”
sound is detected, turn off power to the hot tub. Pump may not be
properly primed. If condition persists, contact your authorized dealer
or service organization.
5. Freeze protection: A potential freeze condition has been detected. No
action is required. Jets pump(s) and heater operate until the spa is out
of danger. Depending on the amperage provided, operation will be as
follows:
In 60A or 20A (50Hz only) logic, the heater remains on at all •
times, while pump 1 and pump 2 turn on for 10 minutes and then
off for 10 minutes. The pumps will alternate on and off until the
spa gets out of the freeze condition.
In 50A or 30A logic, the heater turns on for 10 minutes then turns •
off. Then pump 1 and pump 2 turn on for 10 minutes, then turn
off. The spa will alternate between the heater and the pumps
being on and off until the spa gets out of the freeze condition.
Note: The pumps cannot be manually controlled while the Freeze
condition is active. If a button is pushed, the error message will go away,
but will reappear if the spa is still in the Freeze condition 5 minutes later.
This error commonly occurs when the spa is rst lled because tap water
is often very cold.
6. Emergency shutdown: Water temperature is above acceptable limits.
DO NOT ENTER SPA! (spa is deactivated) A problem has been
detected which could cause damage to the spa or its components.
Contact your authorized dealer or service organization.
7. Open sensor: The temperature sensor is not functional. Heater is
disabled. This must be repaired only by a qualied authorized service
organization or service technician.
8. Shorted sensor: The temperature sensor is not functional. Heater is
disabled. This must be repaired only by a qualied authorized service
organization or service technician.
9. Open sensor: The hi-limit temperature sensor is not functional.
Heater is disabled. This must be repaired only by a qualied
authorized service organization or service technician.
WARNING: RISK OF HYPERTHERMIA (OVER-HEATING)
!