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Toto WASHLET MS922CUMFG, Instruction Manual, Page: 29 / 60

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Toto WASHLET MS922CUMFG Instruction Manual Download Page 29

Maintenance 

Power Plug 

Do not use a dry cloth 
or toilet paper on plastic 
parts.

(May cause damage.)

 WARNING

Always unplug the power plug from 
the outlet before maintenance or 
inspection.

(Failure to do so may cause electric shock 
or malfunction, resulting in a breakdown.)

Top unit

Bowl unit

*1 Except when using "Wand cleaning".
*1 After the power plug is inserted, the toilet lid does 

not open automatically for about 10 - 60 seconds. 
(Because it is preparing for operation.)
Open and close by hand.

28

Power Plug 

(Approximately once a month)

Dry cloth 

Wet cloth

1

Unplug the power plug and 
wipe it with a dry cloth.

2

Insert the power plug.

 

• The "Power" LED lights up.

 WARNING

 

●

Periodically remove dust from the 
blades and other parts of the power 
plug.

 

•

Unplug the power plug and wipe it 
with a dry cloth.

 

●

Fully insert the power plug.

 

●

When unplug the power plug, hold 
the main body of the power plug.

 

•

Pulling the power cord may 
damage the power plug or power 
cord.

The "Power" 
LED goes off.

Lit

OFF

For safety, unplug the power 
plug before maintenance. 

*1

Summary of Contents for WASHLET MS922CUMFG

Page 1: ...rranty Registration and Inquiry For product warranty registration TOTO U S A Inc recommends On Line Warranty Registration Please visit our web site http www totousa com If you have questions regarding warranty policy or coverage please contact TOTO U S A Inc Customer Service Department 1155 Southern Road Morrow GA 30260 888 295 8134 or 678 466 1300 when calling from outside of U S A 2021 9 28 D07F...

Page 2: ...ur 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 ...

Page 3: ...Functions Flushing Remote control flushing 19 1 2 0 2 g n i h s u l f o t u A Opening and closing Opening and closing the toilet seat with remote control 19 1 2 0 2 e s o l c n e p o o t u A Heating the toilet seat Heated seat Save energy by lowering the toilet seat temperature Auto energy saver 24 25 Auto energy saver Timer energy saver Maintenance Cleaning lift 30 1 3 d i l t e l i o t e l b a v...

Page 4: ...flushing Auto open close Temperature Adjustment Toilet Seat Warm Water Drying 22 Energy Saver Features 24 Maintenance 28 Power Plug 28 Top Unit 29 Bowl Unit 29 Gap between the Top Unit and Bowl Unit 30 Gap between the Top Unit and the Toilet Lid 31 Wand 32 Wand cleaning Deodorizing Filter 33 Water Filter Drain Valve 34 Water Filter Bowl Unit 35 As you sit As you stand up Removing odors inside the ...

Page 5: ...power plug with wet hands Doing so may cause electrical shock Do not get any water or cleaning solution on the top unit or power plug Doing so may cause fire electrical shock heat or short circuit Doing so may cause the product to crack resulting in injury or water damage Never disassemble repair or alter Do not use tools in places other than designated Doing so may cause fire electrical shock ove...

Page 6: ...lectrical shock Do not allow the water supply hose to touch the power plug or outlet Doing so may cause condensation resulting in a fire electrical shock heat or a short Do not do anything that may damage the power cord or power plug Do not strike yank twist excessively bend damage alter or heat the power cords Also do not place anything heavy on bind or pinch the power cords Using a damaged power...

Page 7: ...do so may cause fire or electrical shock Always connect the product to the cold water supply Connecting to hot water supply may result in burns and equipment damage Make sure that a properly grounded 3 prong outlet has been installed Failure to install a grounded outlet could cause electrical shock in the event of a malfunction or short circuit Insert the power plug securely into the outlet Failur...

Page 8: ...and potential reduction in desirable microbial organisms Although these studies have not been validated please consult your healthcare provider for concerns regarding whether these circumstances may apply to you More importantly if you are an individual suffering from any immune deficiency as a result of disease chemotherapy or other medical condition compromising the immune system you should cons...

Page 9: ...ting on top of the unit Doing so may cause the top unit to come loose and fall resulting in injury When maintaining the plastic parts top unit etc or the water supply hose use a neutral kitchen detergent diluted with water Do not use any of the following Toilet cleaner household cleaner benzene paint thinner powdered cleanser or nylon scrubbing brush These items may damage or crack the plastic and...

Page 10: ...g in a water leak Regulate the room temperature to prevent the pipes and hoses from freezing during cold months When not using the product for a long time close the shutoff valve drain the water from the top unit and water supply hose and unplug the power plug from the outlet When using the product again allow the product to refill with water first Otherwise the water in the tank might become cont...

Page 11: ... the floor with a well wrung mop or cloth Failure to do so may cause staining and corrosion of the floor Make sure of the plus and minus signs on the batteries before inserting them Remove depleted batteries immediately When replacing the batteries Replace both batteries with new ones Use the same brand for both new batteries any brand available Failure to do so may cause the batteries to leak flu...

Page 12: ...is not working properly has been dropped or damaged or has been dropped in water Return the product to a service center for examination and repair 4 Keep the cord away from heated surfaces 5 Never block the air openings on the product or place it on a soft surface such as a bed or couch where the air openings may be blocked Keep the air openings free of lint hair and other similar items 6 Never us...

Page 13: ...r use of the grounding plug can result in a risk of electric shock If repair or replacement of the cord or plug is necessary do not connect the grounding wire to either flat head terminal Check with a quali ed electrician or serviceman if the grounding wire instructions are not completely understood or if in doubt as to whether the product is properly grounded Safety Precautions Continued This pro...

Page 14: ...with water Do not lean against the toilet lid For prevention of malfunctions and failures Unplug the power plug if there is a risk of lightning A toilet seat cover or a toilet lid cover cannot be used Using them may cause an incorrect detection by the body sensors and seat switch or result in toilet seat and toilet lid opening or closing in a wrong manner Covers Do not urinate on the top unit toil...

Page 15: ...he figure Seat switch Built in Wand cover Wand Power cord Heated seat Warm air outlet cover Toilet lid Side panel Product name part no etc Pages 17 35 44 Body sensor A Page 13 Bowl unit Page 29 Water filter Internal parts of the shutoff valve Page 35 Power plug Page 17 Shutoff valve Page 17 ...

Page 16: ...r B Page 13 Left side of top unit Water drain lever Page 48 Water filter drain valve Page 34 Flush button Page 46 Cover Battery box Page 45 Battery box plug socket Page 45 Hand lever For flushing in case of power outage Page 44 Remote control receiver Deodorizer outlet Cleaning lift button Page 30 Deodorizing filter Page 33 Introduction ...

Page 17: ...remote control in the hanger About the batteries Use dry cell alkaline batteries Be sure to follow Safety Precautions to prevent the batteries from rupturing or leaking fluid Pages 7 10 If the remote control is secured for anti theft 1 Remove the screw from the remote control fixture Remote control Hanger Screw Wall Phillips screwdriver View from side Remove 2 Remove the remote control from the ha...

Page 18: ...wl unit 2 Turn on the power 1 Insert the power plug The wand extends and then retracts 2 Check that the Power LED lights up When it is off switch the Power to ON To operate from the back of remote control Press Power ON OFF button for about 3 seconds or longer To operate from the front of remote control Recommended if the remote control is secured to prevent theft Press Oscillating washing button ...

Page 19: ...t 10 seconds in their set positions and the Water temperature display switches You can store your preferred Wand position Waterpressure and Warm water temperature settings Water pressure adjustment After you press the Wand position adjustment button the set position will light for 10 seconds It will return to the 3rd position for a while not exceeding a maximum of 5 minutes once operation of the r...

Page 20: ...aving energy Page 26 Confirmation of Setting The current setting can be discerned from the LEDs Wand cleaning To clean the wand with it extended Page 32 Pressing it about 3 seconds or longer turns the power on off If the remote control is secured to prevent theft Page 17 2 2 Temperatures Energy saver This section is an overview of the settings that can be configured with the remote control See the...

Page 21: ... inside the bowl unit to make it more difficult for dirt to adhere Pre mist Pre mist A mist is sprayed inside the toilet bowl Flush automatically Auto flushing When using the toilet seat The toilet flushes After about 10 seconds When standing and using Opening the toilet lid automatically Auto open close When using the toilet seat The toilet lid opens The toilet lid closes After about 90 seconds W...

Page 22: ... flash on the main display you cannot flush the toilet Auto flushing ON OFF Auto flush delay 5 seconds 10 seconds or 15 seconds Page 38 for all The toilet flushes Performs a Light flush about 3 seconds after the user has moved about 1 ft about 30 cm away from the bowl unit Detection by the body sensor may be difficult when the room temperature exceeds 86 F 30 C Open and close by hand When the toil...

Page 23: ...ent temperature level appears 3Press the button selected in step 2 repeatedly until a desired temperature level lights up The setting changes each time the button is pressed once High Lit Medium Lit Low Lit OFF OFF The Drying cannot be turned OFF If the button is not pressed for about 10 seconds the Temperature adjustment LED will go off but the setting will be retained If the Temperature adjustme...

Page 24: ...e button you want to turn OFF from Toilet seat temperature button Warm water temperature button and press it The current temperature level appears 3Press the button selected in step 2 repeatedly until the temperature level is set to OFF The setting changes each time the button is pressed once OFF OFF All LED s High Lit Medium Lit Low Lit Settings complete 4Mount the remote control in the hanger If...

Page 25: ... during the set time period every day Timer energy saver Auto energy saver Auto energy saver You want to save a lot of energy with auto energy saver and timer energy saver When both Timer energy saver and Auto energy saver Auto energy saver are set Auto energy saver Auto energy saver operates when Timer energy saver is not operating Auto energy saver Auto energy saver or Timer energy saver can be ...

Page 26: ...ove During Timer energy saver Same LED indication as Timer energy saver see above Low OFF Set temperature 1 Set temperature 1 Low temperature 2 Low temperature 2 OFF 3 OFF 3 To set energy saver Page 26 and 27 1 The toilet seat temperature set on page 22 2 The time period when the toilet seat heater is set to a Low 3 The time period when the toilet seat heater is set to a OFF Main display Power Sea...

Page 27: ... Auto energy saver Auto energy saver Timer energy saver 26 Timer energy saver button Auto energy saver button Auto energy saver button Remote control back side When energy saver is set the Energy saver LED green lights up Energy saver ...

Page 28: ...en For setting to OFF OFF The setting changes each time the button is pressed once Set the Energy saver at the time you want to start it Example To save energy from 1 am to 7 am for 6 hours 1 When 1 00 AM comes Press Timer energy saver button Press the Timer energy saver button repeatedly until the 6 LED lights up For 6 hours For 9 hours When OFF Lit Lit OFF The setting changes each time the butto...

Page 29: ... 60 seconds Because it is preparing for operation Open and close by hand 28 Power Plug Approximately once a month Dry cloth Wet cloth 1 Unplug the power plug and wipe it with a dry cloth 2 Insert the power plug The Power LED lights up WARNING Periodically remove dust from the blades and other parts of the power plug Unplug the power plug and wipe it with a dry cloth Fully insert the power plug Whe...

Page 30: ...se adhesion of dirt may result in discoloration Bowl Unit Approximately daily Toilet brush Neutral toilet detergent Strongly acidic cleaners or strong alkaline cleaners Cleaners containing abrasive compounds Fluoride based detergent containing hydrogen fluoride or ammonium fluoride Wire brush Abrasive nylon scrubbing brush 1 Unplug the power plug 2 Clean with a toilet brush or a similar tool If th...

Page 31: ...lift button 4 Clean the gap Wipe with a soft cloth soaked in a diluted neutral kitchen detergent Then wipe it with a soft cloth soaked in water so that no detergent remains CAUTION Do not use the product while the top unit is lifted up by the cleaning lift When lowering the top unit by the cleaning lift do not insert your fingers into the gap between the top unit and the bowl unit Attention Do not...

Page 32: ...isconnect the right side 3 Wipe with a soft cloth that has been soaked in water and wrung out thoroughly 4 Reinstall the toilet lid Join the pin and the hinge on the right side Slightly tilt the toilet lid to the front Pull the left side outward Mount by joining the hinge with the tab Be careful not to pinch your fingers 5 Insert the power plug The Power LED lights up 6 Open and close the toilet l...

Page 33: ...is secured to prevent theft 1 Press Stopping button until all LEDs on the remote control start flashing about 10 seconds 2 Press Front washing button about 3 seconds or longer The wand extends and water sprays out for cleaning The wand automatically retracts after about 5 minutes 2 Wipe with a soft wet cloth Do not pull push or press the wand with excessive force May cause damage or malfunction 3 ...

Page 34: ...not pull with undue force May cause damage or malfunction Deodorizing Filter 3 Clean with a tool such as a toothbrush When washing with water dry off all water before mounting Toothbrush etc 4 Mount the deodorizing filter Push firmly until a click sound is heard 5 Insert the power plug The Power LED lights up Deodorizing Filter Maintenance ...

Page 35: ...nt theft 1 Press Stopping button until all LEDs on the remote control start flashing about 10 seconds 2 Press Front washing button about 3 seconds or longer 3 Press Stopping button on the front side of the remote control The wand retracts 3 Unplug the power plug 4 Remove the cover and water filter drain valve Loosen the water filter drain valve with a flat head screwdriver and then pull it Cover F...

Page 36: ...tton on the front side of the remote control The wand retracts 4 Unplug the power plug 5 Loosen the cap of the water filter to remove the water filter Use the opening closing tool accessory Hold the pipe with hands while loosing the cap Water filter Cap Opening closing tool 6 Remove the water filter from the cap and clean it with a toothbrush or similar instrument Do not use detergent Do not apply...

Page 37: ... freezing Beep sound Personal setting lock Setting Types 1 Some settings are excluded 2 During setting the display goes out when no button is pressed within about 60 seconds If you fail to complete the setting redo from the step 1 Press Stopping button about 10 seconds or longer All LEDs on the control panel flash 2 Settings cannot be changed unless all LEDs flash To change the settings check that...

Page 38: ...hands 15seconds 30seconds 90seconds Automatically open and close the toilet lid only Automatically open and close the toilet seat and toilet lid LID Seat Lid Set whether or not to spray mist in the bowl unit automatically ON OFF Page 40 Set whether or not to deodorize automatically after sitting on the toilet seat ON OFF Set whether or not to power deodorize automatically after standing up ON OFF ...

Page 39: ...en and close the toilet lid only Automatically open and close the toilet seat and toilet lid Seat lid Auto flushing Set whether or not to clean the bowl unit automatically Auto flushing Change the amount of time before the toilet flushes automatically Auto flush delay Opening and closing the toilet seat button 1 Press Stopping button until all LEDs on the remote control start flashing about 10 sec...

Page 40: ...short beeps 2 and Press Auto open close button and Auto energy saver button at the same time One long beep The setting changes each time the button is pressed once One short beep Forsettingtoopeningthe toiletlidautomatically Forsettingtoopeningboththetoilet lidandtoiletseatautomatically 1 Press Auto flushing button The setting changes each time the button is pressed once Set whether or not to clea...

Page 41: ...r sitting on the toilet seat Deodorizer Set whether or not to power deodorize automatically after standing up Auto power deodorizer All LEDs flash Setting confirmation button Wand cleaning button Auto energy saver button Toilet seat temperature button Stopping button 1 Press Stopping button until all LEDs on the remote control start flashing about 10 seconds ...

Page 42: ...ut 5 seconds or longer For setting to OFF For setting to ON One short beep One long beep The setting changes each time the button is held down longer than 5 seconds Set whether or not to deodorize automatically after sitting on the toilet seat 2 Press Toilet seat temperature button For setting to OFF For setting to ON One short beep One long beep The setting changes each time the button is pressed...

Page 43: ... freezing Anti freezing Set whether or not to make a beep sound Beep sound 1 Set whether or not to use the personal setting lock Personal setting lock All LEDs flash Rear washing button Personal setting lock 2 button Stopping button Wand position adjustment button 1 Press Stopping button until all LEDs on the remote control start flashing about 10 seconds ...

Page 44: ...making a beep sound For making a beep sound One short beep One long beep The setting changes each time the button is pressed once Set whether or not to make a beep sound 2 Press Personal setting lock 2 button for 5 seconds or longer For setting to ON For setting to OFF The setting changes each time the button is held down longer than 5 seconds Set whether or not to use the personal setting lock 1 ...

Page 45: ...ever halfway Wait at least about 60 seconds and then flush the toilet again Release 4 Reinstall the side panel Fit the side panel to the top and side of the bowl unit without a gap Attention When the power is restored be sure to perform a full flush To prevent waste from remaining in the discharge pipe You can flush the toilet with a bucket Page 46 Side of the bowl unit Top of the bowl unit You ca...

Page 46: ...et To flush the toilet with the hand lever Page 44 Step 2 3 When the power outage recovers unplug the battery box take out the batteries put the battery box cable inside the bag and put back the side panel Page 44 About the batteries Use dry cell alkaline batteries Be sure to follow Safety Precautions to prevent the batteries from rupturing or leaking fluid etc Pages 7 10 If power outage lasts for...

Page 47: ...tery cover and replace two AA batteries Page 16 The low battery warning LED goes off 4 Mount the remote control in the hanger 5 Insert the power plug The Power LED lights up If the water does not flow due to a water service interruption If you cannot operate with the remote control Flush is also possible using the buttons on the left side of top unit FLUSH Button Newspaper dustcloth etc Large buck...

Page 48: ...ethod runs the water for the bowl unit and top unit automatically at a fixed interval in order to prevent freezing How to Set Page 42 Switch Anti freezing to ON with the remote control While Anti freezing is set to ON it works as follows The Power LED flashes The toilet flushes at intervals of about 10 minutes About 1 69 oz About 50 ml of water comes out from near the wand at intervals of about 5 ...

Page 49: ...emote control is secured to prevent theft 1 Press Stopping button until all LEDs on the remote control start flashing about 10 seconds 2 Press Front washing button about 3 seconds or longer 3 Press Stopping button on the front side of the remote control The wand retracts 4 Unplug the power plug 5 Drain the pipe 1 Remove the cover and water filter drain valve Loosen the water filter drain valve wit...

Page 50: ... flush button The toilet flushes while the tank fills with water The LED on the main display flashes It stays lit after the tank becomes full about 80 seconds max You cannot flush the toilet until water supply is complete Never operate the toilet while the tank is filling with water If the remaining water has frozen and no water comes out Heat the inside of the bathroom and warm the water supply h...

Page 51: ...te control from the hanger Page 16 3 Remove the hanger and operation guide Hanger Operation guide Phillips screwdriver Screw 4 Screw the hanger on the wall 5 Mount the remote control in the hanger 6 Insert the power plug The Power LED lights up To install back the operation guide follow the procedure above Install the operation guide at step 4 ...

Page 52: ...shing The Anti freezing is set to ON Pages 42 47 Is the breaker on the distribution board turned on Check whether there is a power outage or the breaker has turned OFF Is the Energy saver LED lit While the LED is lit energy saver Page 24 is in operation so the toilet seat temperature may be reduced or the heater may be turned off Is the remote control working Is the LED on the back of the remote c...

Page 53: ...open the shutoff valve 17 Is the water filter drain valve clogged with foreign matter Clean the filter 34 Is the water pressure set to a low level 18 The washing water is cold Is the warm water temperature set to OFF or a low level When the temperature of the water supply or the bathroom is low the water temperature may be low when first sprayed 22 Stops in the middle of use Rear washing Rear soft...

Page 54: ...unit and wait about 3 seconds When water droplets or dirt are disrupting the body sensor Remove the dirt The seat switch will not turn on unless you sit on the seat properly Sit back on the toilet seat 38 19 19 14 15 13 The timing for the Auto flushing can be changed After about 10 seconds after about 5 or 15 seconds 38 The toilet flushes on its own Is Auto flushing set to ON You can turn it OFF D...

Page 55: ...wl unit surface Clean with non abrasive neutral toilet detergent 29 Pulling the hand lever for flushing in case of power outage does not flush the toilet Pulling the hand lever does not flush the toilet when the power is supplied When testing the operation unplug the power plug To flush the toilet with the hand lever keep pulling the lever until the beep sound is made and water supply stops You ca...

Page 56: ...hin the detection range of the body sensor Is a urinal or wash basin also installed in the bathroom The body sensor may detect someone using the urinal causing the toilet lid to open or close When the bathroom door is open the sensor may detect people who pass in front of the toilet 13 The toilet lid closes on its own Is Auto open close set to ON You can turn it OFF Is Auto close delay set to 25 s...

Page 57: ...ut odors are not removed Clean the deodorizing filter 40 33 A strange odor is emitted Are you using an air freshener or deodorizer that you purchased separately Doing so may reduce the effectiveness of the product s deodorizer or cause strange odors Remove the air freshener or deodorizer The auto power deodorizer does not work Is Auto power deodorizer set to OFF Set to ON It starts about 10 second...

Page 58: ...es a sound When sitting on the toilet seat When Pre mist is ON you hear operation sounds for preparing the pre mist or spraying mist in the bowl unit You can turn it OFF 40 When moving away from the bowl unit after use When Auto power deodorizer is ON operation sounds are made while the deodorizing power increases for 60 seconds after you stand up from the toilet seat You can turn it OFF 40 You fe...

Page 59: ... valve Heated seat Surface temperature Adjustable temperature range OFF about 82 97 F about 28 36 C Auto energy saver about 79 F about 26 C Auto energy saver OFF W 0 5 y t i c a p a c r e t a e H e s u f e r u t a r e p m e T e c i v e d y t e f a S Deodorizer 0 d o h t e M 2 deodorization Airflow volume Normal mode Approx 3 17 ft3 min Approx 0 09 m3 min Power mode Approx 5 65 ft3 min Approx 0 16 ...

Page 60: ...tact this limited warranty is void 5 In order for this limited warranty to be valid proof of purchase is required TOTO encourages warranty registration upon purchase to create a record of product ownership at http www totousa com Product registration is completely voluntary and failure to register will not diminish your limited warranty rights 6 If the product is used commercially or is installed ...

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