Service Manual Ideal Air CG2 Commercial Grade Dehumidifier
Sunlight Supply, Inc.
14
Problem
Possible Causes
Remedy
4. Loud noises during
operation
Check if the unit is securely
positioned.
Set and use the dehumidifier at a sturdy,
flat, and level place.
Fan
If cracked, out of balance, or partially
missing, replace it.
Internal compressor noise
Replace compressor.
Loose screws somewhere in
the unit
Find loose screws and tighten them.
Worn bearings in fan motor
assembly
If knocking sounds continue when
running, or if shaft is loose, replace the
motor. If noise continues, or if noise
appears to be outside the motor when
running, replace motor assembly.
5.Water drips out of
unit
Connection may be loose.
Check all water connections and repair as
needed.
Water pump fault or
blockage
Check water pump and float switch
The unit is not installed
properly.
The pump basin must be properly
positioned by keeping unit upright.
External water pipe or inside
water pipe are loose.
Tighten any loose water connections.
6. Compressor cycles
on/off with overload
protection.
Poor air circulation.
Move dehumidifier for free and
unobstructed air flow.
Evaporator coils clogged
with dust or dirt.
Clean dust or dirt on the evaporator coils
Fan Motor
If fan is not, determine the cause.
Replace if required.
Short circuit or ground in
electrical circuit
Check electrical circuit. Repair as needed.
Unit pressures not equalized Allow 2 or 3 minutes rest for pressure to
equalize before starting compressor.
Capacitor
Test the capacitor.
Wiring
Check the terminals. If loose, repair or
replace.
Refrigeration system
Check the system for a restriction.
Overload protector (O.L.P.)
Check O.L.P., if externally mounted.
Replace if open. (If the compressor
temperature is high, remove the O.L.P.,
cool, and retest.)
7. Ineffective
dehumidifying
Check for gas leakage at
connecting tube.
Repair gas leak.
8. No time display
PCB Battery low
Replace Battery
