IX. Trouble-Shooting
Each Kooltronic Air Conditioner is engineered for performance and built for reliability. They are designed to require no routine maintenance other than the cleaning of ambient air filters. If your air conditioner should require warranty service, please contact Kooltronic. If you require service out of warranty, we have compiled a
Problem | Cause | Solution | |
Unit not Cooling | No Power | Check Power Source and | |
|
|
| Electrical Connections |
| Loss of Refrigerant |
| Locate and repair leak |
| Evaporator or Condenser | Replace Motor, Capacitor or | |
| Blower not operating |
| entire Assembly |
| Filter clogged |
| Clean or replace Filter |
| Clogged Evaporator or | Clean Coil | |
| Condenser Coil |
|
|
| Low Temperature Control | Check sensor wire connections | |
| sensor wires broken |
|
|
| Low Temperature Control | Replace Thermostat or Relay | |
| (Thermostat) defective |
| when applicable |
| Failed Compressor | Replace Compressor | |
|
|
| |
Ice on Evaporator Coil | Insufficient Heat Load or Unit | Contact Kooltronic | |
| Oversized for Application |
|
|
| Failed Evaporator Blower | Replace Evaporator Blower | |
|
|
| Motor or Assembly |
| Clogged Evaporator Coil | Clean Coil | |
|
|
| |
Condensate draining | Enclosure not properly sealed | Check and seal all openings | |
continuously |
|
|
|
|
|
|
|
| Excessive opening of Enclosure | Eliminate the frequency of | |
|
|
| door opening |
|
|
| |
Excessive vibration | Defective Motor in Blower | Replace Motor | |
|
|
|
|
| Defective Wheel in Blower | Replace Wheel | |
|
|
|
|
| Compressor Loose | Tighten Mounting Bolts | |
|
|
| |
Compressor Inoperative | Low line Voltage | Check Nameplate Voltage | |
|
|
| against supply |
|
|
|
|
| Loss of Compressor Oil | Replace Compressor | |
|
|
|
|
| Loss of Refrigerant | Locate and repair leak | |
|
|
|
|
| Failed Compressor Capacitor | Replace Capacitor | |
|
|
|
|
| Thermal Overload | Contact Kooltronic | |
|
|
|
|
| Power interruptions | Allow Compressor time to reset | |
|
|
| |
Refrigerant or Oil leaks | Crack or pin hole in tubing or | Replace tubing or rebraze joint | |
| brazed joint |
| |
Condensate on the outside | Insufficient Heat Load or Unit | Contact Kooltronic | |
surface of the Enclosure | oversized for application |
| |
13
