50LX Collection14.9 Panel Displays BLBUV bulb needs to be replaced. The message will flashbetween “blb” and the water temperature. The countdowntimer for the UV bulb needs to be reset (Section 11.6, page 34). A newUV bulb can be purchased from a local Jacuzzi dealer.15.0 Troubleshooting ProceduresIn the event your Jacuzzi spa is not working the way it should, pleasefirst review all the installation and operating instructions in this manualand check for messages on the panel display. If you are still not satisfiedit is working properly, please follow the appropriate troubleshootinginstructions below.Note: If any of the supply cords to accessories are damaged, they mustbe replaced by authorized service personnel. Contact your authorizedJacuzzi dealer or qualified service technician.15.1 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 servicetechnician.15.2 Pump Does Not Operate But Light DoesPress the JETS 1 button:If no water movement is detected, make sure power is going to the spaand check the water level. If this does not solve the problem, contactyour authorized Jacuzzi dealer or qualified service technician.The main jets pump 1 operates but no water flows to jets. Check thefollowing:1. Jets may all be closed. Verify all jets are in the open “on” position(Sec. 10.5, page 28).2. Pump may not be properly primed. This can happen after the spa isdrained and refilled. Press the JETS 1 button on the control panelseveral times, never leaving the motor running for more than 5 to 10seconds at a time. Turn power off and let the air out of spa plumbingsystem by removing the filter cartridge (Sec. 12.1, page 35). Makecertain you reinstall the filter cartridge before turning on spa powerand restarting the jets pump 1.15.3 Poor Jet Action• Make sure all jets are in the full open “on” position (page 28).• Press the JETS 1 button to make certain pump #1 is on.• Verify all air controls are in the “on” position by pressing down ontheir Jacuzzi Logo (page 29).• Check for dirty filter. Clean, if necessary (Section 12.1, page 35).