Biotage ELSD-1080, Operation Manual

Page: 53 / 59

Biotage ELSD-1080
No power Mains lead not connected
Fuse failure
Attach mains lead to socket
and inlet on rear of
instrument
Replace fuse
No response
(completely flat
baseline) Data acquisition leads not
connected
Light source inactive
Output below 0 mV
Detector in STANDBY mode
Service switch in Flash mode
Ensure connectors to
computer or integrator are
sound
Check LED intensity is 100%
Stop pump flow and A/Z
without liquid flowing
Select RUN mode
Ensure Switch is in UP
position
Temperature
error as soon as
detector powered
on Temperature probe fault or
disconnected Check RTD connections
Consult Biotage or your local
agent for further advice
Display not on,
but power
connected, blue
glow ON Detector in service mode Ensure service Switch is in
UP position (RUN)
Consult Biotage or your local
agent for further advice
Evaporator
Temperature
reads zero at
start-up and
cannot be
changed Peltier cooler has not
initiated correctly Switch detector off then on
at the power socket
Consult Biotage or your local
agent if problem persists
Vapor sensor
error occurs, but
there is no
solvent or vapor
leak inside unit Solvent vapor near the front
of unit is being drawn into
the unit
Faulty Vapor sensor
Remove any solvent bottle
or solvent leak that is
directly in front of the
detector
Check the rear vapor sensor
is not damaged/bent
Biotage ELSD-
1080 will not
reach low
temperature e.g.
10 °C Ambient lab temperature too
high
Faulty Peltier cooler unit
Move detector to laboratory
with an ambient temperature
to <25 °C
Consult Biotage or your local
agent if problem persists
Table 7. General Problems and Remedies
Publication date: July 2010 53