Maintenance
Cleaning Cooler & Rigid Media Pads:
The removable panel(s) & pads can be gently sprayed off to
remove build up. A soft bristle brush can also be used.
NEVER spray pads with water while cooler is in operation.
Damage can occur to the motor and will void the warranty.
Note: Vinegar is recommended for cleaning of cooler and
can be periodically cycled through during normal use.
Removal Of Back Panel:
Disconnect power supply.
screws from the upper back side of cooler.
Push panel up and pull bottom out to remove.
Removal Of Rigid Media:
Once back is removed, the media pads will be accessible.
Note: some pads may be held in place with pins (media
keepers) which will need to be removed to free up the pads.
Storage:
Drain tank and wipe dry. Plug is located on bottom of cool-
er. Ensure pads are dry by running fan without pump for at
least 30 minutes.
Visit Hessaire.com for additional maintenance tips and
service videos.
MC3761 Online Manual Eng Spa 081621
Remove the two phillips
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Troubleshooting
Problem
Cooler won't turn on
Ensure unit is plugged in and switched on.
Receptacle breaker may need to be reset.
If unit is equipped with a GFCI plug, reset.
If unit has a timer, ensure it is off.
May need new ON/OFF switch.
Fan will not operate
Ensure fan function is on.
Make sure nothing is obstructing fan blade.
Fan motor may need to be replaced.
Fan switch may need to be replaced.
Slow running - may need capacitor replaced.
Cooler does not pump
Ensure pump switch is turned on.
Make sure water level is not low. Add water.
Make sure hoses are connected and free of debris.
Pump may need to be replaced.
Pump switch may need to be replaced.
Swing does not work
Ensure swing switch is turned on.
Make sure the linkage is connected.
Oscillation switch may need to be replaced.
Oscillation motor may need to be replaced.
Water leakage
Make sure drain plug is securely in place.
Make sure cooler is level.
Inspect tank for cracks.
Check media pads for water running on outside of unit.
Check for leaks in water distribution hose connections.
Check spreaders for build up causing spill over of
water into the airstream.
Water level high or low Adjust nut on float valve.
Float valve may need to be replaced.
Cause / Remedy
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