1-18
During the run, the
screen shows:
"Please check error"
and shows "Heat
sink sensor
disconnect"
Bad
connection
• Turn off the power.
• Remove the block from the main unit.
• Reinstall the block.
• Turn the power on.
Damaged
sensor
• Refer to Chapter 2.9, measure the resistance of the heat
sink sensor.
• If the sensor resistance is not around 10 K
Ω
, Replace the
heat sink sensor and solder it, as 1-19.
• Then you need to use torque screw drive to install the
heat sink back to the block.
• It is not recommended doing it locally and better sending
back to Esco for repair if the heat sink sensor is damaged.
1-19 Heat sink sensor
Control board
problem
• If the block has no problem, replace the CPU control
board.
Note:
When replacing CPU control Board, please re-
connect all the wires back correctly. Any wrong wiring may
result in damage.
1-20
During the run, the
screen shows:
Please check error
and indicates Hot lid
Sensor disconnect
Bad
connection
• Turn off the power.
• Remove the block from the main unit.
• Reinstall the block.
• Turn the power on.
Disconnected
hot lid sensor
• measure the resistance.
The resistance should be around
10k
Ω
. As 1-21. If not,
• Change hot lid sensor, refer to Chapter 2.6
Block sensor
