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 I P 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 Systems - Manual | |||||||||
9 |
Is the action complete? | -- | System OK | -- |
