Polymerase Chain Reaction Cabinets
• Ensure the following are correct:
- Main Board is operational.
- Flat Ribbon cable is installed correctly to relay board and
main board and shows no physical damage.
- Relay board has the correct incoming voltage (6.75 – 8.25
VDC).
Defective relay board
(for PCR only)
- Check all fuses on relay board: Turn off power by
unplugging the cabinet from the main supply. Remove
fuses and physically inspect or check continuity.
• Turn the cabinet on by connecting to the main supply. If
the FAN, LIGHT, and UV cannot be controlled, replace
the Relay Board.
start (LCD, button,
fan, light, and UV
Note: When replacing relay board, please reconnect all
the wires correctly. Any wrong connection may result in
damage.
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