Amos ASD220 User manual

ASD 220
Slide Dryer
Service Manual
www.amos-scientific.com
AMOS SCIENTIFIC PTY.LTD. ABN37 159 778 140

ASD 220 Slide Dryer
Service Manual
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ASD 220 Slide Dryer
Service Manual
1、
The Service Manual of the instrument is compiled according to its structure and
characteristic.
2、
Power supply of the instrument is AC110V/220V.
Slide Drier can heat up and control temperature.
3、
A、The screen has no display when the machine turns on.
1）： The instrument is not plugged in or the fuse is blow out, please connect the
power supply again or replace the fuse.
2）： power module is damaged
Maintenance：Use Philip screwdriver to loosen
the six screw in the base-plate，and take
down the base-plate，and there will be a
power source module on the main board in
the instrument as it shows on the picture.
And take down the power source module
from the main board by hand，if it is difficult
to take down the power source module with
hand，you can use the flat apparatus as flat
Heating film Figure sensor
IC
Power source module Solid state relay
General Provisions
Configuration
Troubleshooting

ASD 220 Slide Dryer
Service Manual
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tip
screwdriver to take down the power source
module by inserting the flat apparatus in the
slot and tipping it up slightly and then take it
down and replace a new power source
module.
B、It shows incorrect temperature（offset the set temperature）
1）： Digital sensor is broken
Maintain ：use the screwdriver to loosen the screw, and you will see the digital
sensor as it showed in the picture. Loosen the screw in the sensor
and then replace the sensor.
2）： IC is broken
Maintain: use the screwdriver to loosen the screw, and you will see the IC as it
showed in the picture. you can use the flat apparatus as flat tip screw
driver to take down the IC by inserting the flat apparatus in the slot and
tipping it up slightly and then take it down and replace a new one.
C、There is continuous ring in buzzer(the interval is 10 seconds)
It means that the digital sensor is broken, and need to replace the digital sensor.

ASD 220 Slide Dryer
Service Manual
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D、the instrument is not heating after power on .
1）： heating film is damaged
Maintain ：use the Philip screwdriver to loosen the six screws in the base-board,
take down the base-board and you will see the heating film as it
showed in the picture. And then loosen the four screws on it to
replace the heating film.
2）： Solid state relay is broken
Maintain：use the Philip screwdriver to loosen the six screws in the base-board,
take down the base-board and you will see the solid state relay as it
showed in the picture. Take down the damaged SSR and replace a
new SSR.

ASD 220 Slide Dryer
Service Manual
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4、
Wiring Diagram

ASD 220 Slide Dryer
Service Manual
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5、
Schematic Diagram

Published by:
AMOS SCIENTIFIC PTY.LTD
37/632 CLAYTON ROAD , CLAYTON SOUTH VIC 3169 , AUSTRALIA
Tel: [phone] Fax: [phone]
ABN 37 159 778 140
www.amos-scientific.com