Advanced Radiant Systems CS5-16-VD-TB Manuale di funzionamento e manutenzione - Pagina 10

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6.1 Troubleshooting (continued)

Please use caution when troubleshooting or repairing all electrical components. Be certain

that all power is disconnected from the COOL-SPACE

guard are removed to gain access to the fan.

Problem

Fan 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 and shutting

off. Restarting several minutes

later.

Fan motor won't run and switch

makes soft clicking sound.

Fan blade doesn't turn and unit

makes squealing sound.

Fan will not reach speed but

turns and makes humming

sound.

Fan System

unit before the cooling pads or fan

Direct Drive Models

Check

Power cord, extension cord, switches,

circuit breaker, GFI ground fault.

Blade in contact with shroud.

Motor stalled (will not turn by hand).

Motor stall.

Check power source for min. 120volt/15

amp. Extension cord.

Extension cord gauge too small.

Inlet air obstructed or too close to

wall.

Faulty motor.

Switch making good contact.

Motor stall (as above).

Capacitor (where visible) and motor

electrical connections. Extension cord to

small.

Solution

Reconnect power or

extension cord.

Reset breaker.

Re-center blade

hub.

Replace motor.

Upgrade power

supply. Replace

with heavier cord.

Replace with

heavier cord.

Provide minimum

3 feet inlet

clearance.

Replace motor.

Replace switch.

Replace motor.

Replace capacitor or

motor.

Increase cord

gauge.