Toto WASHLET G5A Instruction Manual

Toto WASHLET G5A Instruction Manual

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WASHLET G5A
MS7631CEMFG
(SN7631M)
Thank you for your recent purchase of this product.
Please read the enclosed information to ensure the safe use of your product.
Be sure to read this Instruction Manual before using your product and keep it in a
safe place for future reference.
Instruction Manual
If the water does not fl ow due to a power
outage. (  Page 49)

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Masa Fukushima
May 26, 2025

My newly installed G5A washlet and also Nexus One-Piece Toilet both make unusual loud sound at the end of flashing cycle; vacuuming sound of air. Any suggestions to correct?

Summary of Contents for Toto WASHLET G5A

  • Page 1 Instruction Manual If the water does not fl ow due to a power outage. (  Page 49) WASHLET G5A MS7631CEMFG (SN7631M) Thank you for your recent purchase of this product. Please read the enclosed information to ensure the safe use of your product.
  • Page 2: Table Of Contents

    Table of Contents Auto flushing ON / OFF ......21 Introduction Temperature Adjustment ......22 Warm water, Toilet seat, Drying .....22 Safety Precautions ........4 Changing Settings ........24 Operational Precautions ......9 Setting List ............24 Parts Names ..........12 The energy saver features ......26 Preparation ..........14 How to Set .............28 Using the Product for the First Time....14 Auto energy saver........28...
  • Page 3 Maintenance Reference Maintenance ..........40 What to Do? ..........49 If the water does not flow due to a power outage Before Maintenance ........40 (when water failure hasn't occurred) ....49 Power Plug ............40 If the water does not flow due to a water Top Unit ............41 Bowl Unit ............42 service interruption ........51...
  • Page 4: Introduction

    Introduction Safety Precautions IMPORTANT SAFEGUARDS READ ALL INSTRUCTIONS BEFORE USING Symbols and Meanings WARNING May result in death or serious injury. CAUTION May result in injury or property damage. WARNING Never disassemble, repair or alter. Refrain from sitting on the seat for long periods. Doing so may cause fire, electrical shock, overheat- It may cause low-temperature burns.
  • Page 5 Introduction WARNING Do not install the product on moving vehicles such Do not touch the connection of power cord with wet as wheeled vehicles or boats. hands. Doing so may cause fire, electric shock, short circuit Doing so may cause electrical shock. or malfunction.
  • Page 6 Introduction Safety Precautions WARNING CAUTION Do not use a loose or faulty electrical outlet. Do not use the product if the top unit is unstable. Doing so may cause fire or short circuit. Doing so may cause the top unit to come loose and fall, resulting in injury.
  • Page 7 Introduction CAUTION Do not fold or crush the water supply hose; do not When not using the product for a long time, close damage by cutting with a sharp object. the shutoff valve, drain the water from the top unit and water supply hose, and then turn the power Doing so may cause water leaks.
  • Page 8 Introduction Safety Precautions DANGER Do not place in or drop into water or other To reduce the risk of electrocution: liquid. Do not use while bathing. Do not reach for the product when it has fallen Do not place or store the product where it can into water.
  • Page 9: Operational Precautions

    Introduction Operational Precautions For prevention of malfunctions About the seat switch Do not block the body sensor or the remote control When you sit on the toilet seat, the seat switch transmitter or receiver. turns ON, enabling you to use various features. (A click sound is heard when the seat switch is ACTIVATED.) About the body sensors...
  • Page 10 Introduction Operational Precautions For prevention of damage Do not expose to direct sunlight. Doing so may cause changes in color, irregular heated Wipe plastic areas such as the top unit and remote seat temperature or remote control malfunction. control with a soft cloth tightly wrung out with It may also cause product malfunction due to the water.
  • Page 11 Introduction...
  • Page 12: Parts Names

    Introduction Parts Names Model No., etc. Toilet lid Wand cover Warm air outlet cover Wand Heated seat Power plug Power cord Shutoff valve (  Page 15) Water supply filter (Internal parts of the shutoff valve) Access cover Bowl unit (  Page 42) ( ...
  • Page 13 Introduction Toilet lid cushions Body sensor A (  Page 9) Toilet seat cushions Body sensor B (  Page 9) B: Front side of the top unit C: Left side of bowl unit Manual water supply knob (orange) (  Pages 49, 50) Cover Manual water drainage cord (white)
  • Page 14: Preparation

    Introduction Preparation Using the Product for the First Time Insert the battery Remove the remote control from the hanger. Remote control Open the battery cover and insert two AAA batteries. After inserting batteries, close the battery cover. Remote control back side Open Close Battery cover...
  • Page 15 Introduction Turn on the power Open the shutoff valve Insert the power plug. Fully open the shutoff valve. Opening / closing tool (accessory) X The wand extends and then retracts. or flat-head screwdriver Check the "Power" LED illuminates. Shutoff valve If the light is off...
  • Page 16: Operation

    Operation Basic Operations Mechanism of As you stand up Auto Functions Auto power deodorizer Auto flushing "EWATER+" is used automatically to clean the wand. Auto wand CLEAN As you approach Auto power deodorizer After about 10 seconds Auto open / close Starts the auto power deodorizer Auto open / close It stops about 60 seconds after you stand up...
  • Page 17 Operation Operation under the default settings is described As you move away in "Mechanism of Auto Functions". (When you move away) These mechanisms be changed. (  Pages 24–39 "Changing Settings") Auto flushing Auto open / close What is meant by "EWATER+" ? "EWATER+"...
  • Page 18: Soft Light

    Operation Basic Operations Mechanism of Auto Functions Soft light Wand CLEAN LED Lighting up the inside of the bathroom with a soft During Wand CLEAN light. Flashing It lights up as you approach the bowl unit and goes off after you move away from the unit and a certain time has passed.
  • Page 19: Using The Remote Control

    Operation Using the Remote Control Operate the controls on the remote control; a beep sounds when the top unit receives the signal. Wand position adjustment Stop Stops the B or C operation. You can adjust the washing position to 5 different points Rear washing between the front and the rear, using the [▲] and [▼] buttons.
  • Page 20: Wand Clean

    Operation Basic Operations Using the Remote Control (Continued) Opening and closing Wand CLEAN the toilet lid Cleans the wand with "EWATER+" Opens and closes the toilet lid. Opening and closing After wand cleaning, water comes out from around the wand. the toilet seat Note: This function will operate automatically after Opens and closes the toilet seat.
  • Page 21: "Power On/Off" Button

    Operation Remote control back side How to remove the remote control (  Page 14) Operate the controls on the remote control; a beep sounds when the top unit receives the signal. This section is an overview of the settings that can be configured with the remote control. See the corresponding pages for the detailed descriptions.
  • Page 22: Temperature Adjustment

    Operation Temperature Adjustment Warm Water, Press the button selected in step repeatedly until a desired temperature level illuminates. Toilet Seat, Drying X The setting changes each time the button is pressed once Three different temperature levels from high to low and "OFF"...
  • Page 23 Operation To turn the warm water Press the button selected in step repeatedly temperature and toilet seat until the temperature level is set to "OFF". temperature "OFF" X The setting changes each time the button is pressed once Remove the remote control from the hanger. ( ...
  • Page 24: Changing Settings

    Operation Changing Settings Setting List Available Settings Setting Types Bold: Initial settings ON/OFF Auto energy saver (  Page 28) Auto energy saver+ (  Page 28) ON/OFF Timer energy saver (  Page 29) 6H/9H/OFF ON/OFF Auto flushing (  Page 29) Auto flush delay ( ...
  • Page 25 Operation X Setting buttons (  Pages 26–39) Setting with buttons on the front of the remote control. Press the button indicated in step 1 for approxi- mately 10 seconds or longer to enter setting mode. Flash Check A Stop button B Rear washing button C Front washing button D Personal setting button...
  • Page 26: The Energy Saver Features

    Operation Changing Settings The energy saver features "Auto energy saver", "Auto energy saver+" or "Timer energy Energy saver is on saver" can be selected. To save energy, the temperature of the toilet seat becomes Lit (Green) low (or "OFF"). Note: Even if the energy saver is activated (with the toilet seat heater set to Low or OFF), the toilet seat will be temporarily heated when you sit on it.
  • Page 27 Operation Timer energy saver and Timer energy saver Auto energy saver / You want to save energy only for a preset duration Auto energy saver+ of time. (6 hours, 9 hours) Once the time is set, the toilet seat heater turns off You want to save the maximum amount of energy automatically during the set time period every day.
  • Page 28: How To Set

    Operation Changing Settings How to Set Auto energy saver+ Auto energy saver Press "Auto energy saver" button. X The setting changes each time the button is pressed once. Press "Auto energy saver" button. When set to "Auto energy saver+" X The setting changes each time the button is pressed once.
  • Page 29: Timer Energy Saver

    Operation Timer energy saver Auto flushing Set the "Timer energy saver" at the time you Set whether or not to clean the bowl unit want to start it. automatically Example: To save energy from 1 am to 7 am (for 6 hours) Press "Auto flushing"...
  • Page 30: Auto Flush Delay

    Operation Changing Settings Auto flush delay Auto flush lid closed Change the amount of time before the toilet Set whether or not to close the toilet lid flushes automatically automatically before flushing the bowl unit Press "Stop" button until all Press "Stop"...
  • Page 31 Operation "Auto flush lid closed" does not work if "Auto flushing" About "Auto flush lid closed"… and "Auto open / close" are set as below: (Except when using the Flush buttons on the remote control) About 10 seconds after you stand up or move away from the bowl unit if you use the toilet in standing posi- Auto flushing Auto open / close...
  • Page 32: Auto Open / Close

    Operation Changing Settings Auto open / close Auto close delay Set whether or not to open and close the toilet Change the amount of time before the lid/seat lid automatically closes automatically Press "Stop" button until all Check Press "Auto open / close" button. LEDs on the remote control are X The setting changes each time the button is lit or flashing.
  • Page 33: Auto Open Delay

    Operation Auto open delay Seat/lid Change the time period till automatic opening Automatically open and close the toilet lid/ (After closing by hand or remote control.) Automatically open and close the toilet seat and toilet lid Press "Stop" button until all Check LEDs on the remote control are Press "Stop"...
  • Page 34: Auto Wand Clean

    Operation Changing Settings Auto wand CLEAN Pre-mist Set whether or not to clean the wand Set whether or not to spray mist in the bowl automatically unit automatically Press "Stop" button until all Press "Stop" button until all Check Check LEDs on the remote control are LEDs on the remote control are lit or flashing.
  • Page 35: Deodorizer

    Operation Deodorizer Auto power deodorizer Set whether or not to deodorize automatically Set whether or not to power deodorize after sitting on the toilet seat automatically after standing up Press "Stop" button until all Press "Stop" button until all Check Check LEDs on the remote control are LEDs on the remote control are...
  • Page 36: Soft Light

    Operation Changing Settings Soft light Soft light Set whether or not to use the soft light Enable/disable the Night light, a lighting mode suitable for night, and set the time window To set the time window (timer), set the desired Press and hold both the "Stop"...
  • Page 37: Anti Freezing

    Operation About "Night light"… Anti freezing You can change "Soft light" to "Night mode", a lighting Set whether or not to run the water for the mode suitable for night. bowl unit and top unit automatically at a fixed Note: The light does not turn on if "Soft light" is turned OFF. interval in order to prevent freezing The "Night light"...
  • Page 38: Beep Sound

    Operation Changing Settings Beep sound Pressure / position setting Set whether or not to make a beep sound Set whether or not to keep your favorite pressure and position settings Press and hold both the "Stop" Check button and "Water pressure Press and hold both the "Stop"...
  • Page 39: Personal Setting

    Operation Personal setting Registering Personal Settings Set whether or not to use the personal setting Register your preferred wand position, etc. Press and hold both the "Stop" Check Press "Personal setting" button. button and "Water pressure Select the location to be set adjustment +"...
  • Page 40: Maintenance

    Maintenance Maintenance Before Maintenance Power Plug WARNING y Dry cloth Always turn off the power before maintenance or inspection. Failure to do so may cause electric shock or mal- y Wet cloth function, resulting in a breakdown. For safety, turn the power OFF Approximately once a month before maintenance.
  • Page 41: Top Unit

    Maintenance Top Unit Turn the power "ON". (  Page 40) X The "Power" LED illuminates. y Soft cloth soaked in water Attention This product is an electric appliance. Be careful not to y Toilet paper let water seep inside or leave detergent in the gap y Dry cloth between the top unit and bowl unit.
  • Page 42: Bowl Unit

    Maintenance Maintenance Bowl Unit Turn the power "ON". (  Page 40) X The "Power" LED illuminates. Attention y Cleaning sponge y Brush Be careful not to expose the top unit or the gap y Neutral toilet detergent between it and the bowl unit to water. Otherwise, water may overflow into the room.
  • Page 43: Gap Between The Top Unit And Bowl Unit

    Maintenance Gap between the Top Unit and CAUTION Bowl Unit Do not use the product while the top unit is lifted up by the cleaning lift. You can lift up the top unit with the cleaning lift When lowering the top unit by the cleaning lift, button and clean the gap between it and the bowl do not insert your fingers into the gap between unit.
  • Page 44: Gap Between The Top Unit And The Toilet Lid

    Maintenance Maintenance Gap between the Top Unit and Wipe with a soft cloth that has been soaked in the Toilet Lid water and wrung-out thoroughly. The toilet lid can be removed for thorough cleaning. Reinstall the toilet lid. D Align the right side pin and hinge parts. y Soft cloth soaked in water Slightly tilt the toilet lid to the front.
  • Page 45: Wand

    Maintenance Wand Wipe with a soft cloth that has been soaked in water and wrung out thoroughly. y Soft cloth soaked in water y Toilet paper y Dry cloth y Nylon scrubbing brush May cause damage. Approximately once a month Attention If you notice dirt (Wand cleaning) Do not pull, push or press the wand with excessive...
  • Page 46: Deodorizing Filter

    Maintenance Maintenance Deodorizing Filter Approximately once a month Turn the power "OFF". (  Page 40) Remove the deodorizing filter. Hold the tab and pull outward. Deodorizing filter Attention Do not pull the unit with undue force. Doing so may cause damage or malfunction. Clean with a tool such as a toothbrush.
  • Page 47: Drain Plug With Water Supply Filter

    Maintenance Loosen the drain plug with water supply filter with a Drain Plug With Water Supply flat-head screwdriver and then pull it. Filter Support the cover with your hand Approximately once every 6 months If you think the water pressure has weakened Drain plug with water supply filter Close the shutoff valve.
  • Page 48: Water Supply Filter (Bowl Unit)

    Maintenance Maintenance Water Supply Filter (Bowl Unit) Remove the water supply filter from the cap and clean it with a toothbrush or similar instrument. Approximately once every 6 months Attention Close the shutoff valve. Do not use detergent. Do not apply excessive force to the water supply filter. X The water supply stops.
  • Page 49: Reference

    Reference What to Do? If the water does not Fully open the manual water supply knob (orange). flow due to a power Manual water supply knob (orange) outage (when water Turn to the stop failure hasn't occurred) position (Audible water flow indicates supply to the tank.) You can flush the bowl unit with the manual water supply knob (orange) and manual water drainage...
  • Page 50 Reference What to Do? Wait for one minute. Attach the left access cover. X Water is supplied to the tank for the next time it X Attach it so that there are no gaps between it is flushed. and the top/sides of the bowl unit. Top of the bowl unit Always perform this step Close the manual water supply knob (orange).
  • Page 51: If The Water Does Not Flow Due To A Water Service Interruption

    Reference If the water does not If you cannot operate flow due to a water with the remote control service interruption Flush is also possible using the buttons on the right side of top unit. Use a bucket to flush the bowl unit. (About 6–8 L) FLUSH Button...
  • Page 52: Replacing The Batteries

    Reference What to Do? Replacing the batteries Freeze Damage Prevention Turn the power "OFF". (  Page 40) Remove the remote control from the hanger. When the ambient temperature is likely to drop to (  Page 14) 32 °F (0 °C) or lower, take measures to prevent freezing.
  • Page 53: Long Periods Of Disuse

    Reference Long Periods of Disuse Turn the power "OFF". (  Page 40) If the toilet is in a location you will not visit for a Drain the pipe. long time, drain the water. 1) Open the toilet seat and lid. The water in the tank may cause malfunctions or 2) Insert a flat-head screwdriver in the hook of become contaminated and cause skin irritation or...
  • Page 54 Reference What to Do? Pull the water drain lever. X Water comes out from near the wand (about 20 seconds). Water drain lever Release the water drain lever to restore it to its original position. Close the cover. Push it in until a click is heard.
  • Page 55: Resupplying The Water

    Reference If water may get frozen X Add antifreeze solution to the water in the bowl to prevent freezing. Press "Full flush" button. The antifreeze solution should not be flushed out. Collect it before using the toilet and dispose of it. Attention To use the product again The bowl unit cannot be flushed when there is not...
  • Page 56: Troubleshooting

    B: Is the Energy saver LED lit? If the problem persists, consult the installer, seller, or TOTO Service (  see contact information on X While the LED is lit, energy saver (  Pages 26, 27) is the back cover).
  • Page 57: Rear Washing, Front Washing And Wand

    (  Page 40) If the above symptom reappears There may be a malfunction. XConsult with TOTO customer service (  see contact information on the back cover). The seat switch will not turn on unless you sit on the seat properly.
  • Page 58: Warm Air Drying

    Reference Troubleshooting Rear Washing, Front Washing and Wand (continue) Trouble Please check Water comes out unexpectedly Is the "Power" LED (green) on the main display flashing? from the wand X The "Anti freezing (dynamic mode)" is set to "ON". (Water comes out from near the wand and from the bowl unit at about 5 minute intervals.) ( ...
  • Page 59 If the above symptom reappears XThere may be a malfunction. Consult with TOTO customer service (  see contact information on the back cover).
  • Page 60: Toilet Seat And Toilet Lid (Auto Open/Close)

    Reference Troubleshooting Flushing (continue) Trouble Please check Water keeps being supplied to the Did you stop the water supply for flushing in case of power outage? bowl unit X Turn the manual water supply knob (orange) to stop supplying water. (  Page 50) Some barium remains after It may be difficult to flush down substances with a higher specific gravity than water, such as barium.
  • Page 61 Reference The toilet lid does not close auto- Is "Auto open/close" set to "OFF"? X Set to "ON". (  Page 32) matically If the body sensor detects a person, the toilet lid will not close automatically. X The toilet lid will close approximately 90 seconds after the person leaves. ( ...
  • Page 62: Toilet Seat And Toilet Lid

    Reference Troubleshooting Toilet Seat and Toilet Lid Trouble Please check The toilet seat is cold Is the toilet seat temperature set to "OFF" or a low level? (  Pages 22, 23) Is energy saver in operation? The energy saver feature is on when the "Energy saver" LED is on and the "Power" LED is off on the main display.
  • Page 63: Auto Flush Lid Closed

    Reference Auto flush lid closed Trouble Please check "Auto flush lid closed" does not Is "Auto flush lid closed" turned OFF? X Turn it ON. (  Pages 30, 31) work If "Auto flush lid closed" is turned ON: Check the "Auto flushing" and "Auto open / close" settings. ( ...
  • Page 64: Deodorizer

    Reference Troubleshooting Deodorizer Trouble Please check The deodorizer seems to be not Is "Deodorizer" set to "OFF"? X Set to "ON".(  Page 35) working Even after sitting down, you do not hear operation sounds. X Sit back on the toilet seat. If you hear an operation sound from the deodorizer, but odors are not removed.
  • Page 65: Others

    If any nuts in a connection are loose, firmly tighten them with a tool such as a monkey wrench. ing connections X If the water leak does not stop, close the shutoff valve and consult with TOTO customer service. (  see contact information on the back cover) The top unit is unstable There is clearance between the toilet seat cushion and the bowl unit for activating the seat switch.
  • Page 66 Reference Troubleshooting Others (continue) Trouble Please check The top unit makes a sound When not using the product (e.g., at night) If "Auto wand CLEAN" is "ON" and you do not use the washing functions (e.g., Rear washing and Front washing) for about 8 hours, you will hear that the wand is cleaned with "EWATER+"...
  • Page 67: Specifications

    When disposing of this product, please follow your local or state guidelines for proper disposal. *1 Measured value based on ASME A112.19.2/CSA B45.1. *2 The flush volume changes depending on water pressure. *3 At 29 PSI (0.20 MPa) (dynamic) water pressure *4 Temperature around the warm air outlet measured by TOTO.
  • Page 68: Limited Warranty

    8. To obtain warranty repair service under this warranty, TOTO reserves the right to make such inspections as may be you must take the Product or deliver it prepaid to a TOTO necessary in order to determine the cause of the defect.
  • Page 69 Reference MEMO...
  • Page 70 MEMO...
  • Page 71 MEMO...
  • Page 72 You are advised to record the following information to allow quick service. Date of purchase : Name of shop : Date : year month day Tel : ( This code is for manufacturer management use. 2023.12.22 D07J43...

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