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TROUBLESHOOTING
The most common problems encountered with unit are
operational problems. The unit consists of three systems.
It is important to determine which system of the unit the
problem is associated with. Certain problems may be
associated with more than one system.
When determining which system that the problem is
associated with you must first define the problem, i.e.,
the pump is not running. Although this might seem a bit
over-simplified, several things may cause a particular
problem. So while defining the problem, a careful
check of all systems should be made to fully understand
the extent of the problem.
OPERATING ISSUE
Fan motor won't run and makes no sound.
Fan motor won't run and makes a humming
sound.
Breaker trips or fuse blows when fan is started.
Motor overheating, shutting off and restarting
several minutes later.
Fan motor won't run and switch makes soft
clicking sound.
Fan motor won't run and has a burning smell.
pads are removed to gain access to the fan.
WATER SYSTEM
The water system consists of three primary elements:
1.
Water delivery system
2. Spray bar assembly
3. Pump
The water delivery system consists of two assemblies:
1. The water inlet assembly
2. The plumbing assembly
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TROUBLESHOOTING
If you have a complete understanding of all the
systems of the unit and how they depend on each
other, it becomes much simpler to define and solve any
problems.
Although the unit is designed to be simple to maintain,
it will be necessary to have some basic hand tools
(screwdrivers, pliers, adjustable wrenches, etc.) as well a
volt/ohm meter for troubleshooting the electrical system.
FAN SYSTEM
CHECK
Power cord, switches, circuit breaker, etc.,
cord, reset breaker.
Blade in contact with shroud.
Motor stalled (will not turn by hand).
Motor stall (as above).
Other items on circuit.
Inlet air obstructed or too close to wall.
Faulty motor.
Switch making good contact.
Start capacitor leaking from cover.
Motor stall (as above).
The water inlet assembly is made up of three
components:
1. The bulkhead fitting
2. The float valve connection hose
3. The float valve
The plumbing assembly consists of three elements:
1.
Riser (PVC components)
2. Drain valve
3. Spray bar adjustment valve
CAUTION! Please use caution when
troubleshooting or repairing all electrical
components. Be certain that all power is
disconnected from the unit before the cooling
Check switch connection.
Reconnect power.
Check mounting bolts.
Replace motor.
Replace motor.
Remove other items.
Provide minimum 36" inlet clearance.
Replace motor.
Replace switch.
Replace capacitor.
Replace motor.
SOLUTION
0621 IH-3030
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