Step | Action | Value(s) | Yes | No | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Were you sent here from the Cooling Insufficient, A/C System diagnostic table? | -- | ||||||||||
2 | Did both the recorded low and high side pressures fall within zone B on the A/C Pressure-Zone Classification Graphic but after continued operation of the A/C system, did the low and high side pressures equalize or remained unchanged? | -- | ||||||||||
3 | Refer to the recorded pressures. Check for the following conditions:
Do the listed conditions exist? | -- | ||||||||||
4 | Check for the following conditions:
Do the listed conditions exist? | -- | ||||||||||
5 | The A/C compressor is malfunctioning. Replace the compressor. Refer to Air Conditioning Compressor Replacement . Also replace the accumulator. Refer to Air Conditioning Accumulator Replacement Is the repair(s) complete? | -- | -- | |||||||||
6 | The A/C system has a low refrigerant charge. Evacuate and Recharge the A/C system to specifications. Refer to Refrigerant Recovery and Recharging Is the repair complete? | -- | -- | |||||||||
7 | Take readings of the low and high side pressures as well as the IP outlet air temperatures after repairs are performed. Compare the low and high side pressures and IP outlet air temperatures to those listed in the A/C Performance Table. Refer to Cooling Insufficient - Air Conditioning (A/C) System . Are the readings within the specified ranges? | -- | ||||||||||
8 | Operate the system in order to verify the repair Did you correct the condition? | -- | Go to Symptoms in HVAC System - Manual or Symptoms in HVAC System - Automatic | |||||||||
9 |
Is the action complete? | -- | System OK | -- |
