Specifications

24
TROUBLE SHOOTING
PROBABLE CAUSE SUGGESTED REMEDY
• Inadequate Cooling
• Fan Fails To Start
• Motor Overheats & Trips Overload.
• Belt Slipping / Wearing Excessively
• Pump runs but does not circulate water or pads lack water
Insufficient air discharge openings.
Make sure adequate openings are provided to exhaust the
incoming cool air.
Inadequate exhaust for area being
cooled, causing high humidity and
discomfort.
Open windows, doors etc.
Undersized air conditioner. Replace with larger Model.
Ducts blocked or collapsed Repair Ducts
Clogged or dirty filter pads. Clean or replace pads.
Dry pads or lack of water while the air
conditioner is operating.
Check water distribution system for obstructions. Check
pump is operating.
Excessive Ambient Humidity. (see also
top of page)
During summer when the humidity is high, the unit will not
work as effectively.
Turn the pump off and run in vent mode
Fan running too slowly.
Check motor amps. If below rating plate specification,
adjust motor pulley to increase fan speed
Belt slipping. Tighten belt. Replace if worn.
Circuit breaker tripped or fuse blow n. Reset or replace.
Overload tripped. Reset & check motor amps and adjust if necessary.
Power not turned ON Turn power ON
Loose electrical connections. Check all connections.
Faulty control switch. Replace.
Motor burned out. Replace.
Low supply voltage. Consult with local Electrical Authority.
Incorrect settings on current overloads. Reset overloads to correct setting.
Wrong motor size. Fit correct size motor.
Fan speed too high.
Adjust motor pulley until the motor current is equal or below
that specified on motor rating plate
Belt loose. Tighten belt.
Pulleys out of line. Align pulleys.
Worn belts. Replace belts.
Worn pulleys. Replace pulleys.
Insufficient water in tank causing pump
to cavitate.
Adjust float level to increase water depth.
Pump strainer clogged or dirty. Clean strainer.
Blocked water supply tubing.
Clean out water trough.