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13: Electrical Components
This section details the electrical components found on the biosafety cabinet.
Electronics Module
The electronics module is located on the top, right side of the biosafety cabinet. To
access the module, follow these instructions.
1. Remove all power from the biosafety cabinet by unplugging the power cord.
2. Using a 7/16-inch socket or nut driver, remove the three nuts holding the module
to the top of the biosafety cabinet. Two nuts are on the rear edge of the module,
and one nut is on the left edge of the module.
3. Tip the module on its side, and secure it.
To completely remove the electronics module, follow these instructions.
1. Remove all power from the biosafety cabinet by unplugging the power cord.
2. Using a 7/16-inch socket or nut driver, remove the three nuts holding the module
to the top of the biosafety cabinet. Two nuts are on the left edge of the module,
and one nut is on the rear edge of the module.
3. Open the right side panel, and disconnect all wire harness connectors on the
right side of the electronics module.
4. Tip the module on its side, and secure it. Locate the green/yellow ground wire
towards the rear of the module. It is still connected to the top of the biosafety
cabinet with a ground nut. Using a 7/16-inch socket or nutdriver, remove the
ground nut and free the ring terminal connected to the end of the green/yellow
wire.
5. Remove the electronics module.