Troubleshooting - MTI DESIGNER COLLECTION Installation And Operation Manual

TROUBLESHOOTING

Q: The blower will not turn on. What should I check first?
A: Check the electrical connections. Test the outlet for power by plugging in a small lamp or hair dryer.
Check to make sure the breaker is not tripped. Replace GFCI outlet or breaker if necessary. On systems
with multiple control boxes or equipment, ensure that all connections are intact.
Q: There is a rust colored, greasy ring in my bath tub. What causes this?
A: The condition results from sediment in the water heater of the home. Drain and flush the heater
according to the manufacturer's instructions, and then clean the interior of the tub with a mild, grease-
cutting dish soap.
Q: The air jets on my tub are not blowing air bubbles. What could be the problem?
A: The keypad or other connections may have been unplugged during installation. Check that the keypad
is connected to the blower, and the blower is plugged into a working receptacle. Check that the grey
air hose from the air blower to the manifold is properly connected. If necessary, reconnect and tighten
clamps.
Q. My MTI air bath appears to just turn on even if we are not in the tub.
A. Each MTI Designer Collection air bath is equipped with a pair of sensors near the drain of the bath.
They appear as two small chrome buttons. Every time water is introduced into the bath, even if the air
system was not used, the air system will automatically activate approximately 7 minutes after the water has
drained out of the tub in order to purge the system of any small droplets of water. The system will turn off in
approximately 1 ½ minutes. The light on your keypad blinks during the countdown to the purge cycle.
Q. I understand the purge cycle, however my tub is now purging in the middle of the night.
How can I stop this from happening?
A. Small, barely detectable power fluctuations may have disrupted the purge cycle. Turn the breaker off
(or unplug the blower), wait for ten seconds, then plug back in. The blower should now follow the normal
purge cycle.
Q: The air bubbles seem cool. How do I check that the blower is warming the air?
A: To verify, turn the air system on high for 4-5 minutes (you do not need to have water in the tub). Care-
fully feel the grey air hose where it exits the blower. It should be warm to the touch. If it is cold, please
contact MTI for service. Please note that some skin sensitive people might experience the so-called "cold
air effect", which is caused by the actual sensation of air bubbles running along the skin, giving the bather
a "shivering" sensation. Note: Even if the air entering the tub was hot enough to burn the skin, this shivering effect
would still persist. The heated blower is not designed to heat your bath water, just to preheat the incoming air.
If your tub is installed against an outside wall(s), it is recommended to adequately insulate the wall(s) to
minimize heat loss. Do not insulate the blower itself; the blower needs sufficient air space surrounding it
for proper circulation and operation.
Q. Is it safe to use bath salts or bath oils in my air bath?
A. Water soluble products such as bath salts are fine to use, however, MTI does not recommend the use
of heavy bath oils. If bath oil is used, refer to the cleaning section of your manual for proper after care
and cleaning instructions. Products containing strong natural or chemical dyes may discolor the jets and/
or controls on your tub. Check the label to ensure the products are safe for acrylic or plastics, and always
use according to the product recommendations.
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