1-35
Tube damaged or
burned
Bad quality
tubes
Change tubes
Damaged/
loose block
temperature
sensor
• If the bottom part of the tube is melt, measure the
temperature of the block
• If actual temperature is higher than display temperature,
please contact manufacturer and send the block back for
repair because block sensor is not allowed to be changed
by customer/ distributor.
Damaged/
loose hot lid
sensor
• Test the temperature of hot lid
• If actual temperature is higher than display temperature,
re-joint the hot lid sensor and solder it
1-36
1-37
Loud noise while
instrument is
running.
Damaged fan.
• Reconnect the connection wire of the fan,
• If still not good, remove screws as 1-37
• Replace the fan. As Chapter 2.2
Notes
:
:
:
:
Please note the air flow direction of the fan and the
polarity of the connection wire when replacing the fans.
1-37 1-38
Hot lid sensor
Screws