23
Polymerase Chain Reaction Cabinets
24
Defective main board
(for PCR only)
•
Restart the cabinet 2 to 4 times.
•
The Main Board is defective if the Main Board incoming
supply is between 6.75 – 8.25 VDC AND:
-
All LED’s on the control panel are off
-
The LCD is blank
-
There is no Buzzer sound
•
If these conditions exist replace the Main Board.
Note:
When replacing main board, please re-connect all
the wires back correctly. Any wrong wiring may result in
damage.
•
If these conditions DO NOT exist proceed to next step.
Fig 1.10
Cabinet does not
•
See Layout A at the end of this section to locate the relay
board inside electrical panel.
•
Measure the incoming voltage on the Relay Board at
terminal J1 (Note polarity, BLUE wire closest to edge is
negative). See Fig. 1.11 below to locate terminal J1.
•
Voltage should be between 6.75 – 8.25VDC.
•
If voltage is out of range, check connection between
SMPS and relay board.
•
If voltage is correct, proceed to next step.
start (LCD, button,
fan, light, and UV
are all inoperative)
Connection problem to
relay board
(for PCR only)
Fig 1.11
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...
Page 60: ...47 D O M I N I Q U E D U T S C H E R S A S...
Page 61: ...48 APPENDIX D O M I N I Q U E D U T S C H E R S A S...
