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Section Nine –
Miscellaneous
Troubleshooting
Refer to the following table if the Biosafety Cabinet fails to operate properly. If the
suggested corrective actions do not solve the problem, contact Labconco for additional
assistance.
PROBLEM
CAUSE
CORRECTIVE ACTION
Cabinet blower and
lights won’t turn on
Unit not plugged
into outlet
Plug the Biosafety Cabinet into
appropriate electrical service.
Check connection to control box on
top of Cabinet.
System Reset
Switch is Off
Turn on the System Reset Switch.
Circuit breaker(s)
tripped
Reset circuit breakers.
Keypad
disconnected or
defective
Run keypad diagnostics and check
connections.
Blower only runs at
low speed, but
lights work
Sash closed-unit is
in Night-Smart
Mode
Raise sash.
Sash Closure
Switch is
disconnected or
defective
Run keypad diagnostics and check
connections.
Motor signal wires
damaged or
disconnected
Measure motor output signal
voltage. Inspect signal wiring and
connections
Power Supply
Board
misconnected or
defective
Test output voltages on the Power
Supply board.