Installation Guide

45
 When the bathtub is filled and there is already water in the bathtub, the water level
will vary by the amount of water that was in the bathtub. ► See page 23.
 Please empty the bathtub and then try refilling.
 Is there debris or residue trapped in the air jet cap (for water level detec-
tion) on the inside surface of the bathtub? → Please clean them out refer-
ring to the cleaning method for air jet caps. ► See page 35.
Filling the bathtub (continued)
 It stops filling automatically when the set volume of water, about 26 gallons (100L), has been added
to the bathtub or reached the set water level. ► See page 23.
It stops filling.
The water level varies.
Air jet cap
(water level
detector)
Troubleshooting
Adding cooling water
 Is the Fill tub button set to on? → Cooling water cannot be added while filling the bathtub.
 Is the water level in the bathtub low? → It won’t work if the water level is low. Please fill the bathtub
at least 13-3/8” (34 cm).
I can’t add cooling water.
 It stops filling automatically when the selected volume of water, 26 gallons (100L), has been added
to the bathtub. ► See page 21.
This feature shuts off on its own.
Adding warming water
 Did you press the button for at least 1 second? → As a safety feature, the button must be pressed
for at least 1 second. Please press the button for at least 1 second.
 Is the Fill tub button set to on? → Heating water cannot be added while filling the bathtub.
 Is the water level in the bathtub low? → It won’t work if the water level is low. Please fill the bathtub
at least 13-3/8” (34 cm).
I can’t add warming water.
 Is there enough hot water coming from the water heater?
→ Please check the temperature and operating settings on the water heater.
→ Please set the hot water supply temperature to 140-158°F (60-70°C).
→ Because the function module blends the incoming hot and cold water, the temperature of the wa-
ter flowing out is lower than that of the hot water supply.
 Is there debris trapped in the filters in the hot or cold water connections in the function module?
→ Please clean them. ► See page 39.
 Is there water pressure? ► See page 13.
The water is lukewarm.
 It stops filling automatically when the selected volume of water, 26 gallons (about 100L) has been
added to the bathtub. ► See page 22.
The feature shuts off on its own.