Why does a deck push button do nothing on my walk-in tub?

When a deck push button does nothing on an Ella walk-in tub, the fault is almost never the pump. The button is pneumatic: a gentle press sends a puff of air down a small hose to a relay in the blue control box, and anything that stops that puff, a tripped GFCI, a hose off its port, an air-locked line or a cracked button top, leaves the button silent. Work from the power to the box to the button in that order, and use the breaker check and the hose swap test to tell a button fault from a pump fault before you order anything.

Decide Which Kind of Silence You Have

Not every silent button has the same cause, so note exactly what happens before you open anything. If no button and no light responds, the problem is almost always power. If one button is dead while the others work, the fault sits in that button's circuit, its hose or its pump. If the button stays pressed down and will not pop back, the line is air locked rather than broken. And if the button works only when you press very hard, or feels mushy and stays partly down, the air signal is leaking away before it reaches the relay, which points at the button top.

Two things fool owners into reporting a dead button. The Air button cycles through its speeds: the first press is high, the second press is medium, the third press is low, and a fourth press turns the system off. If someone left the air massage partway through that cycle, your next press may simply shut it off, so press through the full cycle before calling the button dead. Some Transfer and legacy units also ship with unlabeled buttons, which is normal: Water is hydro, Air is air, Micro is microbubble and Light is the LED. Finally, check which therapy package is on your order confirmation. A hydro massage package has one hydro pump and a hydro plus air package has two, and you cannot test a pump the tub was never built with. What Are Push Controls (Easy-Touch Buttons) on a Walk-In Tub? covers which models have the buttons and what each one does.

Step 1: Power and Water

Every Ella massage system runs on a dedicated, GFCI protected line, and a tripped GFCI or breaker is the most common cause of a tub that is completely unresponsive. Press the reset button on the GFCI outlet or breaker serving the tub and confirm the breaker in your panel is on. The pumps are not all on one circuit. The foot massage pump, for example, is on a separate breaker, so the air jets and light can work while the foot jets are dead simply because one GFCI tripped.

Next, remove the large access panel in front of the seat. It is held on by magnets, and a butter knife slipped behind the edge pries it loose. Find the blue control box screwed to the frame and look for its green LED. When the green light is on, power is reaching the box. If it is off, no power is flowing to the box and the problem is upstream in the outlet, cord or circuit rather than in the button.

Before you press the Water button again, confirm the water is above the highest jets. The hydro pump is designed to run only when the jets are submerged, and running it dry causes permanent damage. The air pump can run dry safely. If power and water check out and the pump still does not start, Pump or Massage System Not Working: Connections, Relay Switch, and What to Check First takes the pump side from here.

Step 2: The Hose at the Control Box

The blue box has three 3/8 inch air hoses and three power plugs coming out of it, and each hose has a home: the Water button goes to Pump #1 Airswitch, the Air button to Blower/Pump #2 Airswitch, and the Light button to Light Airswitch. A hose pushed only partway onto its nipple is the single most common reason one button does nothing, so push each one on firmly with a twist-and-push motion. The video on this page shows exactly that connection at the box, the twist-and-push seating, and then the hose and lock nut at the back of the button itself.

If the button is stuck down, the line is air locked, meaning air is compressed inside the tube. Pull that hose off its port at the box so the button pops back up, then refit it. After any reconnection, pull the hose off the box for a second so the line returns to room pressure, refit it, and listen for the faint relay click inside the box when you press the button. Look along each hose for kinks or twists and give it slack. A hose under tension keeps working itself off no matter how well it is seated, and a hose cut too short is replaced rather than stretched. Why Do the Little Air Hoses Keep Falling Off My Tub Controls? covers hardened tubing, missing lock nuts and hoses that will not stay on.

If the hose is seated and the button is still dead, run the hose swap test. Pull the hose off the dead button's port and the hose off the Light Airswitch port, plug each into the other port, and press both buttons. If the Light button now starts the pump but the dead button still does not light the LED, the fault is on the button side, in the button or the hose between it and the box. If the dead button lights the LED but the Light button does not start the pump, the button and hose are fine and the problem is the pump, its plug into the box, or the box. Return both hoses to their original ports afterward. Fill the tub above the jets before you begin, because the water pump can start during the test and must never run dry.

On a brand new Standard or Zen platform tub there is one more connection to know about. The air pipe connection passes through the shell with a back nut, and it must be tightened and verified working before the install is finalized, so a new tub whose buttons do nothing often traces to a loose connection there.

Step 3: The Button Itself

There is nothing electrical in the button, so inspecting it is safe. Work a fine flat screwdriver under the chrome collar, using a second one to work your way around if needed, lift off the ring and the chrome cap, then pull the black core up out of its housing. Inside you will find the bellows, the lock nut that secures the button from below the deck, and the hose on its nipple. Seat the hose firmly on the nipple, snug the lock nut, and look at the bellows.

A bellows that no longer springs back, a cracked nipple that will not hold the hose, or a cracked base with stripped threads means the button is replaced rather than repaired. The same is true if the button sticks after a long soak, which means water is getting behind a seal that has opened, or if blowing through the hose helps for a while and then the trouble returns, which points to moisture or debris inside the pneumatic line. If the button dropped through into the tub, the lock nut worked loose or the plastic base broke, for example after the button was pressed too hard. Please do not press harder or deeper to compensate. A gentle palm press should be all it takes, and forcing it can damage the mechanism. How do I inspect and replace a cracked pneumatic button on my tub? walks the replacement itself. When you are done, push the core back into its housing, press the cap on and snap the chrome ring into place.

Ordering a Replacement Button or Hose

Replacement buttons, longer tubing and red replacement hose are stock parts, and a failed chromatherapy LED can be supplied as a replacement kit, so nothing needs to be improvised. To order a button, open a ticket at ellasbubbles.com/support or call (800) 480-6850 with a clear photo of the part, your model and serial number, which button is affected, whether you hear a click from the control box when you press it, whether your hose is clear or red, and whether the white mounting nut is still attached. Those details let the right part go on the label the first time. Whether a button assembly can ship without the chrome trim is confirmed with the team when you place that request. If the swap test pointed at the pump or the box rather than the button, say so and include a photo of the control box ports so the team can continue the diagnosis from there.

Watch: How to Secure Air & Hydro Connections in Your Walk-In Tub | Ellas Bubbles with chapters and a full transcript.

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