Troubleshooting Information

Question 1

What should you do if pressures are incorrect after performing all pre-checks of the system?

Answer 1

You should recover the system.

If pressures are incorrect, and you have performed all pre-checks of the system, and have found nothing to be out of order, you should recover the system.

Question 2

What should you do if the amount of refrigerant recovered is significantly low?

Answer 2

You may have a leak, and need to inspect further.

Note the amount of refrigerant recovered, if significantly low, you may have a leak, and need to inspect further.

Question 3

What should you do if the amount of refrigerant recovered is significantly high?

Answer 3

A technician may have charged the system incorrectly.

If significantly high, a technician may have charged the system incorrectly.

Question 4

What should you do after recovering the system?

Answer 4

Perform a evacuation, and leak test, if passed, recharge the system with the correct refrigerant and oil charge.

After recovery, perform an evacuation, and leak test, if passed, recharge the system with the correct refrigerant and oil charge.

Question 5

What should you do after a proper recharge?

Answer 5

Check system operation and pressures according to the correct chart.

After a proper recharge, check system operation and pressures according to the correct chart.