CONTENTS
FAULTY COMPONENTS
HEATING AND AIR COND.

AIR CONDITIONER NOT COLD

CONDITION(S)

• AIR CONDITIONER BLOWS AIR, BUT IT IS NOT COLD
• NO REFRIGERATION ACTION AT ALL

POTENTIAL CAUSE(S)

CHECK THESE FIRST:

1. LOOSE OR BROKEN COMPRESSOR DRIVE BELT
Tighten or replace compressor drive belt.

2. INOPERATIVE COMPRESSOR VALVES OR DRIVE PULLEY
Have compressor professionally replaced.

3. EXPANSION VALVE STUCK OPEN
Have expansion valve professionally replaced.

CHECK THESE NEXT:

4. LEAK IN REFRIGERANT SYSTEM
Have refrigerant professionally replaced and any leaks repaired.

5. CLOGGED RECEIVER-DRIER SCREEN
Have receiver-drier screen professionally serviced.

CHECK THESE LAST:

6.CLOGGED EXPANSION VALVE
Have expansion valve professionally serviced.

7. CLOGGED REFRIGERANT HOSE OR COIL (FROSTING USUALLY OCCURS AT CLOG)
Have refrigerant hose or coil professionally repaired.

CONTENTS
AIR CONDITIONER NOT COLD ENOUGH
SYSTEM BLOWS AIR