Tap into the Sealed System. Record your High and Low run pressures, Compressor Amperage, Compressor Voltage, and Freezer / Fridge Temperatures. All these readings are needed for proper diagnosis.
Note:
* For Accurate Troubleshooting, the unit needs to have been running for at least 25 Minutes before gathering readings.
* All pressures given can be +/- due to variances in ambient temperatures.
Normal Run Pressures for R134:
LOW SIDE: 5 inHG – 5PSI
HIGH SIDE: 85 -110PSI
Note: “inHG” means Pressure is Running in a Vacuum