FAN SYSTEMS

CAUTION: Please use caution when troubleshooting or repairing all electrical components. Be certain that all power is disconnected from the COOL-SPACE unit before the cooling pads or fan guard are removed to gain access to the fan.

Problems and Solutions

Fan won't run and makes no sound

Fan won't run and makes no sound

Check power cord, extension cord, switches, circuit breaker, GFCI ground fault

Solutions:

  • Reconnect power or extension cord
  • Reset breaker

Fan motor won’t run and makes a humming sound

Fan won't run and makes a humming sound

Fan blade is in contact with shroud

Re-center blade hub

Motor stalled (will not turn by hand)

Replace motor

Breaker trips or fuse blows when fan is started

Breaker trips or fuse blows when fan is started

Motor stall

Replace Motor

Check power source for min. 120volt/15 amp

Upgrade power supply

Check extension cord

Replace with heavier cord

Motor overheating and shutting off. Restarting several minutes later

Motor overheating and shutting off. Restarting several minutes later

Extension cord gauge too small

Replace with heavier cord

Inlet air obstructed or too close to wall

Provide minimum 3 feet inlet clearance

Faulty motor

Replace motor

Fan motor won’t run and switch makes soft clicking sound

Fan motor won’t run and switch makes soft clicking sound.

Make sure the switch is making good contact

If the switch is not making good contact replace switch

Fan blade doesn’t turn and unit makes squealing sound

Fan blade doesn’t turn and unit makes squealing sound.

Motor stall

Replace Motor

Fan will not reach speed but turns and makes humming sound

Fan will not reach speed but turns and makes humming sound

Capacitor (where visible) and motor electrical connections

Replace capacitor or motor

Extension cord to small

Increase cord gauge

Fan Motor Replacement

CAUTION: Repairs should be performed by a qualified technician!

WARNING - ELECTRICAL SHOCK HAZARD: Disconnect the power supply before performing any service or maintenance on the unit. Failure to do so may result in serious injury or death.

GLACIER-18 (CS5-16-VD, CS5-16-VD-TB, CS5-18-VD, CS5-18-VD-TB2)

  1. Remove cooling pads (see section 5.1 for pad removal instructions)
  2. Remove the black motor wiring plate and disconnect motor wires. (Mark each wire with a marker or marker tape to allow for easy matching when installing new motor
  3. Remove the (4) nuts and bolts that mount the motor, fan, and support braces (complete fan assembly)
  4. Replace new fan assembly
  5. Secure with 4 nuts and bolts
  6. Replace any wire ties that were removed when taking out the old fan assembly
  7. Replace the black motor wiring plate
  8. Reinstall pads and connect power

AVALANCHE-36 (CS6-36-1D, CS6-36-VD)

  1. Remove cap from bottom of motor. Disconnect wires. Clip wire ties.
  2. Remove (4) fan mounting bolts from the front. (Support fan to ensure it doesn’t fall.)
  3. Pull the fan out of the unit.
  4. Remove blade mounting nut and blade.
  5. Remove mounting arms by loosening (8) bolts holding the arms to the motor. (Make note of arms positions for reinstallation.)
  6. Install arms and blade on new motor.
  7. Install fan in opening and secure with mounting bolts.
  8. Reconnect wires and tie cord to motor arm to keep them out of fan.

BLIZZARD-50 (CS6-50-VD)

  1. Remove cap from bottom of motor. Disconnect wires. Clip wire ties.
  2. Remove (4) fan mounting bolts from the front. (Support fan to ensure it doesn’t fall.)
  3. Pull the fan out of the unit.
  4. Remove blade mounting nut and blade.
  5. Remove mounting arms by loosening (8) bolts holding the arms to the motor. (Make note of arms positions for reinstallation.)
  6. Install arms and blade on new motor.
  7. Install fan in opening and secure with mounting bolts.
  8. Reconnect wires and tie cord to motor arm to keep them out of fan.