Troubleshooting 38
P/N 128097 Rev. 00
TurboVap 96 User’s Manual
Biotage AB
Troubleshooting the Front Panel Display
To diagnose unexpected behavior of the panel display, locate the
description of the condition in the table below.
Condition
Probable Cause
Solution
Plate Temperature
blinks during Cycle
Readout mode.
Present temperature is
±10°C from the set
temperature.
Normal operation
Over Temp light is on.
Temperature for one of
the positions has been
reset 10°C or more
lower than the
previous setting.
Allow time for the heater to go
down to the new temperature,
and the light will turn off.
Heater
over-heating
due to a defective
relay or temperature
sensor.
Contact Biotage (see
page 3
).
“hi” displays in Cycle
Readout mode.
Plate temperature
sensor detects a
temperature greater
than 90°C, or the
temperature sensor
has failed.
Contact Biotage (see
page 3
).
Fan is inoperative for
this position.
Contact Biotage (see
page 3
).
“lo” is displayed in Cycle
Readout mode.
The temperature
sensor has failed.
Contact Biotage (see
page 3
).
Low Flow light is on,
and the alarm continues
to beep.
The gas flow regulator
for the correct position
has not been turned
on.
Turn on the gas flow regulator
and restart the position using the
Start
•
Stop
button.
The flow rate is set
below 5, or has
dropped below 5
SCFH because the
gas is running out.
Adjust the flow rate and check
the input gas supply.
Problem with flow
sensor.
Contact Biotage (see
page 3
).
Elapsed Time displays
“--” in Cycle Readout
mode.
The position has been
stopped or is not
started.
Restart the position.