Instruction Manual

43
Product Service 1-800-522-7658, International 816-333-8811
CHAPTER 8
TROUBLESHOOTING
Refer to the following table if your blower fails to operate
properly. If the suggested corrective actions do not solve your
problem, contact Labconco for additional assistance.
PROBLEM
CAUSE
CORRECTIVE ACTION
Remote blower won’t
operate.
Wires not connected
at junction boxes or
switches.
Check connection of switches.
Check connection to control box
on top of unit.
Circuit breakers
tripped in building
electrical supply.
Reset circuit breakers.
Blower wiring is
disconnected.
Belt broken.
Blower motor is
defective.
Inspect blower wiring and switch.
Replace belt.
Replace blower motor.
Contamination outside
of fume hood.
Fume hood has
improper face
velocity
Have fume hood re-certified and
check remote blower exhaust
system. Hood should have
average face velocity of 60-100
fpm depending on application.
Remote blower has
excessive vibration.
Improper motor
mount.
Review Chapter 2: Prerequisites
and Chapter 3: Getting Started.
The blower should be mounted on
vibration isolators or vibration
mounting pads to isolate vibration.