25
24
Problem 2
—
Blower does not function
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
Blower does not
function
Fan is Off
For PCR:
•
Switch on the Fan by pressing Fan button on control
panel (see Fig. 2.1).
•
Enter the Fan PIN number if required (default is 0001)
•
The LED for FAN should illuminate and the FAN should
start.
•
If the FAN does not come on, proceed to next step.
•
If the LED does not illuminate, check connection from
control panel to main board or replace the membrane.
For SCR:
•
Switch on the Fan by switching the rocker switch to “I”
or on position at control panel (see Fig. 2.2).
•
If the FAN does not come on, check for loose or
improper wiring connections at the back of the switch.
•
If the problem persists, proceed to next step.
Fig 2.1
Fig 2.2
Fuse F1 is blown
(for PCR only)
•
Unplug the cabinet from main supply.
•
Open the top access panel and locate electrical panel
behind it.
•
See Layout A at the end of this section to locate the
relay board inside electrical panel.
•
Check Fuse F1 on relay board (see Fig. 2.3).
•
If fuse F1 is blown, as temporary solution, use F5 to
replace F1. The fuse F5 is not used and is a spare fuse.
•
If fuse F1 is okay, proceed to possible cause 3.
DOMINIQUE
DUTSCHER
SAS
Summary of Contents for Airstream PCR-3A
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Page 57: ...44 Polymerase Chain Reaction Cabinets LAYOUT A D O M I N I Q U E D U T S C H E R S A S...
Page 58: ...45 LAYOUT B D O M I N I Q U E D U T S C H E R S A S...
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Page 61: ...48 APPENDIX D O M I N I Q U E D U T S C H E R S A S...
