Maintenance Guide

10 11
Please read this section for troubleshooting before requesting repair services.
If the problem still persists after performing suggested actions, turn off the power switch and set the breaker to "Off."
Then consult with the installation contractor (or the shop where you purchased the unit). (See the back cover of this manual for
contact details.)
Troubleshooting
Indicators
Sensors keep malfunctioning
Power is being supplied
(Standby)
Fan motor is malfunctioning
Problem with the power terminal
block temperature fuse
Controller is malfunctioning
The dryer may operate even if some sensors
malfunction.
Make sure that sensors are clean.
If they are not clean, wipe them with a soft
damp cloth.
( See page 8)
If the indicator does not turn off after
performing these actions, consult with the
installation contractor (or the shop where you
bought the unit).
An indicator is lit dimly all the time.
Meaning of the indicators Operation of the product/Corrective actions
ON
OFF
ON
OFF
Only the right indicator is flashing (the left one is off)
Right and left indicators flash alternately
ON
OFF
Always On
Power is being supplied
(While the dryer is activated)
An indicator is lit brighter than standby.
Flashing pattern ① Flasing pattern ②
Standby The dryer is activated
ON
OFF
Always On
Abnormal stateNormal state
Status indicator lights
Drying compartment
Drying compartment
LED (left) LED (right)
Drying compartment
Drying compartment
LED (left) LED (right)
LED (left) LED (right)
LED (left) LED (right)
The dryer is not working.
Clean the filter if it is dirty. ( See page 9)
Clean the bottom of the unit if it is dirty.
The dryer is not working.
Replacing it may solve the problem.
Consult with the installation contractor
(or the shop where you bought the unit).
[EN]
Trouble
Solutions
Sensor
Sensors
Power Switch might be set to OFF.
→If so, set Power Switch to ON. ( See page 5)
Has the circuit breaker been tripped?
→If it is OFF, please reset it.
Has something been placed inside the unit that could be blocking a sensor?
→If there is something in the unit, remove it.
Is the sensor dirty?
→ If the sensor is not clean, wipe it with a soft damp cloth. ( See page 8)
If the problem persists after the sensor is cleaned, the sensor is malfunctioning.
Is the sensor dirty?
→If the sensor is not clean, wipe it with a soft damp cloth. ( See page 8)
Stopping 1-2 second after removing hands is normal.
Due to the location of Sensors, detection of hands is difficult in some areas,
including between Sensors and near the corners (hatched areas in the illustration).
→Align fingers and put both hands fully into the drying compartment in places other
than the hatched areas in the illustration.
If air blows, the dryer is working properly.
Indicator status
No light
Lights on
Right and left indicators flash alternately
(Flasing pattern ②)
See below
Only the right indicator flashes
(Flashing pattern ①)
See below
Has Filter accumulated dust or debris?
→Clean Filter if there is an accumulation of dust or debris. ( See page 9)
Is the ambient temperature within operating temperature limits?
→ Set the temperature within 0 to 40 °C (32 to 104 °F).
Dryer not stopped when hands
removed
The air volume is weak
Has Filter accumulated dust or debris?
→Clean filter if it has accumulated dust or debris. ( See page 9)
Warm air is blown
Has Filter accumulated dust or debris?
→Clean Filter if dust or debris has accumulated.( See page 9)
Is the ambient temperature high?
→ The air might feel warmer when the temperature is high.
Is the dryer active for a long time?
→ The air might become warmer if hand dryer is active for a long time due to heat from the fan motor.
No dry air blown when hands put in.