Jacuzzi J-495 Owner's Manual page 81

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.
Figure 15.0a
1. Open Flow Switch: (Heater is deactivated. The filter/circulation may
also be deactivated.) The flow switch is malfunctioning open, the
circulation pump's filter cartridge is excessively dirty or an air lock
condition has occurred at the circulation pump intake. Contact your
authorized dealer or service organization.
2. Closed Flow Switch: (Heater is deactivated. The filter/circulation
may also be deactivated.) The flow switch is malfunctioning closed.
Contact your authorized dealer or service organization.
3. Shorted Hi-limit Temp Sensor: The hi-limit temperature sensor is
not functional. Heater is disabled. This must be repaired only by a
qualified authorized service organization or service technician.
4. Open Hi-limit Temp Sensor: The hi-limit temperature sensor is not
functional. Heater is disabled. This must be repaired only by a
qualified authorized service organization or service technician.
5. Shorted Water Temp Sensor: The temperature sensor is not
functional. Heater is disabled. This must be repaired only by a
qualified authorized service organization or service technician.
6. Open Water Temp Sensor: The temperature sensor is not functional.
Heater is disabled. This must be repaired only by a qualified
authorized service organization or service technician.
7. Shorted Ambient Temp Sensor: The temperature sensor is not
functional. Heater is disabled. This must be repaired only by a
qualified authorized service organization or service technician.
Monitors the controller temperature.
8. Open Ambient Temp Sensor: The temperature sensor is not
functional. Heater is disabled. This must be repaired only by a
qualified authorized service organization or service technician.
Monitors the controller temperature.
9. Closed Flow Switch on Start-up: Flow switch is non-functional.
Closed or shorted flow switch on system start-up (system disabled).
Contact your authorized dealer or service organization.
10. Frozen on Start-up: Flow switch is non-functional. Shorted flow
switch on system start-up (system disabled) and freeze condition
detected. Contact your authorized dealer or service organization.
Flow Error
6:45p
100
Figure 15.0b
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J-400