Sunrise spas ultimate collection OM-SRULTIMATE-19 Guide D'utilisation page 66

LED Light(s) Do Not Come On When Light Key is Pressed
Probable Light fuse blown in spa pack
cause #1:
Action: Locate and test/replace light fuse in spa pack Call dealer if problem persists.
Probable In -line or on board fuse blown in LED controller
cause #2:
Action: Locate and test/replace light fuse in LED control box.
No Air/Water Mixture Coming From a Jet
Probable Air control is closed
cause #1:
Action: Open air control
Probable Water volume through jet is too low to draw air
cause #2:
Action: Increase water volume by turning jet face
Probable Adjustable jet internal is loose.
cause #3:
Action: Tighten jet internal
Probable Jet internal is broken or damaged
cause #4:
Action: Replace jet internal with another one from the spa or with a new one.
Probable Debris inside the jet internal
cause #5:
Action: Remove the internal, inspect for debris, remove debris and re-install. Test
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DOC: OM-SRULTIMATE-19
Sunrise Spas 2019 Ultimate Collection Owner's Manual