30
5. Gently slide the heating block until the plug is exposed then disconnect.
6. Slide the new block into place and connect the plug.
7. Gently slide the block until the two screw holes are lined up.
8. Replace the two screws and plugs.
9. Shut the face panel and secure it with two screws.
11. Troubleshooting
Problem Cause Action
The display is off even when
power is switched on.
1. Power is not reaching the
system.
2.
Power cord is not
plugged into the socket
properly.
3. Power fuse is blown out.
4. Block fuse is blown out.
1.
Check power source
voltage.
2.
Reconnect the power
cord.
3. Replace the power fuse.
4.
Return the unit for
service.
Can’t reach 4
°
C.
1. Operating temperature
environment may be
unsuitable.
2. Electronic
cooling
element may be damaged
or aged.
1. Operate the unit in a
environment temperature
between 15 to 30
°
C.
2.
Return the unit for
service.
Cycle time is too long
1. Operating
environment
temperature may be
unsuitable.
2. Electronic
cooling
element may be damaged
or aged.
3. Faulty temp. sensor.
1. Operate the system in a
temperature environment
between 15 to 30
°
C.
2.
Return the unit for
service.
3.
Return the unit for
service.
Lid heater does not work.
1. Lid heater is set off.
2. Lid sensor problem
1. Check Lid Temperature
setting in System Mode.
2.
Return the unit for
service.
No key entry sound.
1. Sound may currently be
set off.
2. Faulty keys or keypad
wiring.
1. Check Beeper setting in
System Mode.
2.
Return the unit for
service.
The display goes off.
1. Faulty backlight.
1. Check the LCD contrast.