Contact the company where you purchased the unit or the
nearby service center for any other trouble not described here.
Troubleshooting
6
Problem
Cause
Measures
Indicators do not show anything, even
if the power switch is turned on.
Electric power is not supplied.
Turn on the breaker on switch board.
Power switch or earth leakage breaker is out
of order.
Stop operation immediately and call service.
Spraying air is not supplied even if
the spraying air supply switch.
Compressor is not started.
Start the compressor.
Air piping is not connected.
Connect air piping.
Spraying pressure control knob is turned
counterclockwise fully.
Turn the control knob clockwise.
The solenoid valve of spraying air supply
breaks down.
Stop operation immediately and call service.
The control board is broken down.
Inlet temperature cannot be set.
The set value display lamp is not lit.
Press SET key and check that the set value display
lamps illuminate.
The value exceeds the setting range
(40~200°C).
Set a value within the range.
The control board is broken down.
Stop operation immediately and call service.
The inlet temperature does not go up.
The set temperature is too low.
Raise the set temperature.
Press the Temp. Controller/Blower
RUN/STOP key but the temperature
controller/blower does not start
operation. (or do not stop)
The key is not pressed and held for more
than 1 sec.
Press and hold the key for more than 1 sec.
The control board is broken down.
Stop operation immediately and call service.
The dry air volume (blower air volume)
is not adjustable.
The blower does not start operating.
Press and hold Temp. Controller/Blower RUN/STOP key
(for 1 sec).
You intend to enter an air volume exceeding
the set air volume range (0.2~0.75 m3/min).
Adjust to an air volume within the set air volume
range.
The inlet filter and outlet filter are
clogged.
Clean and replace filters.
The control board is broken down.
Stop operation immediately and call service.
Sample cannot be delivered.
Flow rate of sample pump cannot be
controlled.
The pump operation lamp is not lit.
Press the Pump ON/OFF key and check that the pump
operation lamp illuminates.
The tube is not correctly set on the sample
delivery pump.
Set the tube correctly.
Sample is not placed in the sample container. Place sample in the sample container.
Lock lever for fixing flow rate in turned to
LOCK position.
Release LOCK of flow rate lock lever.
The pump motor is broken down.
Stop operation immediately and call service.
The control board is broken down.
Sample cannot be stirred.
The agitation speed is not adjustable.
Stirrer is not placed in the sample
container.
Place a stirrer.
Sample viscosity is too high.
Agitate with upper agitator (option).
Agitator motor is broken down.
Stop operation immediately and call service.
Spray condition from the spray nozzle
gets worse.
Solids adhere to the tip of spray nozzle.
Press the jet cleaner manual operation key.
Press down the needle knob by two to three degrees.
Clean the nozzle tip from the nozzle cleaning port
of the evaporating tube.
Spray air leaks from the gasket of spray
nozzle.
Replace gasket.
-27-
