This unit has safety and alarm functions as below
When an abnormal operation occurs, solve it referring to [Troubleshooting] on P.18.
3-2 Safety and alarm functions
Safety features
Safety device
Function
Cause
Measures
Mains switch /
Electrical leakage
breaker
It detects an excess
current of electric leakage
and turns off to shut down
the power.
Excess current.
Or electric leakage occurred due
to insulation deterioration etc. of
electric parts.
Immediately stop operation and contact the
company from which you purchased the unit or the
nearby service center.
Over temperature
protector
It detects over heating of
heater, and shuts down
the power.
Heater temperature is too high
because of low volume of drying
air
• Increase dry air volume.
• Clean the inlet filter or replace it.
If the above method does not cure the problem,
immediately stop the operation and contact the
company from which you purchased it or the
nearby service center.
For blower
protection
Thermal relay
It detects an excess
current of blower and
shuts down the power for
blower.
Excess current flows into the
blower due to blockage, suction
of rubbish, etc. of outdoor air
inlet at the back side of the unit,
• Remove what blocks the outdoor air inlet.
• Clean the exit filter or replace it.
-7-
Alarm function
Alarm name
Alarm operation
Alarm cause
Temp. alarm
Temp. Alarm
Temp.alarm lamp illuminates
Inlet temperature is 10°C or higher for 3 minutes or longer time.
Sensor alarm
[_ _ _][
⁻⁻⁻
]blinks on the temperature
indicator of which sensor alarm occurs.
Sensor input value is abnormal.
Outlet temp. upper
limit
alarm
[Outlet temperature] blinks
The outlet temperature exceeded100°Cfor more than 5 min.
Outlet temperature becomes 120ºC or higher.
Drying air volume
alarm
Flow Alarm
Drying air volume lamp illuminates
Drying air volume is 0.1m
3
/min
Heater alarm
Heater Alarm
Heater alarm lamp illuminates.
Current of heater lowers unusually.
SSRalarm
[SS r]is indicated on the inlet temp.
indicator
Heater current exists while the heater output is OFF.
Pump line pressure
alarm
Pump Line Alarm
Pump line alarm lamp blinks
Pump line pressure exceeds 100kPa for1min. or more.
Spraying pressure
alarm
[Spraying pressure] blinks.
Spraying pressure at 0kPa lasts more than 30 sec.
Spraying pressure exceeds 300kPa.
*The alarm will be canceled by turning Off the power switch and turning it On again.
*In the event of alarm, all key operations become invalid.
*In the event of alarm, buzzer sounds.
To stop the buzzer sound, press "Temp. control/blower RUN/STOP key."
(This just stops the buzzer sound but the alarm state continues until the unit is rebooted)
