Functionality test, Check for leakage 1 – Factory Direct Hardware Toto MS980CMG Neorest 550 User Manual

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Confirm functionality (continued)

Confirm functionality

Functionality Test

Check for leakage

Confirm that the POWER light on the top unit display is ON before
conducting the test.

If POWER light is OFF, the NEOREST will not react to commands even if the
power plug has been inserted.

White paper

Vent

Paper cup

Seat sensor B

Remove the white paper from seat sensor B

When the white paper is removed, the soft light will become darker.
A little water will dribble out of the nozzle after 30s or so.

After the wand retracts, the dryer outlet cover will open a little and then close.

Confirm that the seat heater is functional

It takes about 15min to warm the seat.

Confirm the lid auto open feature is functional

Does the lid open automatically when you approach the NEOREST?

Confirm the remote control seat/lid open/close feature is functional

Push seat/lid open/close button. Does the NEOREST respond properly?

Confirm the remote control flush feature is functional

Does the NEOREST flush when you push full/light flush button on the remote control?

When confirming remote control flush feature after the NEOREST has
just auto flushed, wait for 10 seconds or more.

If not, try moving your body around some more.

Confirm the auto flush feature is functonal

With seat and lid are open, stand in front of the NEOREST bowl for 6 seconds or more and
then leave. Does the auto flush executed about 3 seconds after you left the NEOREST?

If the NEOREST flushes weakly, it is likely water supply pressure it too low.
Follow the bowl installation instructions to check the water pressure.

Confirm that there is no leakage near the pipe connections once the water shutoff valve is opened.
Confirm that there is no leakage near the pipe connections in the top unit.

Top unit water shutoff valve

Take off the face cover and confirm that
the water shutoff valve is fully opened.

Top unit display

Confirm that the POWER
light has turned on

If there is leakage, rework the connection to stop it.

Do NOT turn OFF the power before delivering the product to the customer.

Light on

Check leakage

Confirm the lid and seat auto close feature is functional

With seat and lid are open, stand in front of the NEOREST bowl for 6 seconds or more and
then leave. Does the lid and seat close automatically about 90 seconds after you left the
NEOREST?

If not, that the white paper is covering seat sensor B properly.

Cover seat sensor B with white paper

Seat sensor B will detect a “person” when it is
covered. The soft light will become brighter. Then
water will flow out at the nozzle in several seconds.

Seat sensor B does not work if the seat is not down.

Does little water flow out around the bowl of the toilet bowl?
When the sensor is covered, the lights on the top unit
display may turn off.

Confirm that deodorizer is functional

Does air blow out of the vent on the right
side of the top unit?

Use paper cup to receive
the water

Confirm that the dryer is functional

Push dryer button. Does warm air blow out?

Does the dryer stop when OFF is pushed?

Confirm the cleansing features are functional

Does warm water flow out of the nozzle when the front,
soft, or rear cleansing button is pushed?

Use water pressure “+/-” button to adjust
water pressure. Does the pressure change?
Do the cleaning features stop when the Stop
button is pushed?

Insert the power plug

The soft light will flash for somewhere between 10 seconds to a minute. During this time,
seat sensor A is initializing and the lid auto open feature is unavailable.
The deodorizer automatically starts working.

Push the Stop button for 10 seconds or so.

Open the remote control cover and push the timer saver ON/OFF button

Close the remote control cover and push the Stop button again

Confirm that the antifreeze mode is functional

In antifreeze mode, the NEOREST automatically flushes
and dribbles water from the wand nozzle periodically.

Does the POWER light on top unit flash?
Does water flow out from nozzle every 5 minutes?
Does the NEOREST flush every 10 minutes?

The remote control display begin to flash.

After that, repeat step 1-3 to disable the antifreeze mode

Does the POWER light on top unit stop flashing?

POWER light should be ON.

POWER

SEAT

ENERGY SAVER

Warm air

Water shutoff
valve

Confirm the water
shutoff valve is fully
opened.

Water supply on the wall

Stop button

Water supply on the floor

White paper