# CTE Resource Center - Verso - Diesel Equipment Technology III Task 1099367313

CTE Resource Center - Verso

Virginia’s CTE Resource Center

Identify the cause of system failures resulting in refrigerant loss from the A/C system high pressure relief device.


Identification should include the following possible causes:

  • Plugging moisture in the system
  • Fan not operational
  • Restricted air flow

Process/Skill Questions

  • Why would a non-operational cooling fan cause the valve to release?