- Take the refrigeration unit out of the vending machine.
- Determine what the possible problem is by checking for the following:
- Low Freon R134A
- Broken Relay
- Broken Temp Relay
- Broken Evaporator or condensor fans
- Block in Cappilary line
- Repair the problem
- Vacuum the system from moisture
- Refill with appropriate R134A amount
- Re-install system back in machine
