H4 - Low-pressure switch open circuit

Was bedeutet H4 ?

The low-pressure switch has an open circuit, suggesting a possible pressure issue or switch fault.

• Low pressure switch open circuit.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Verify that the system has adequate refrigerant charge.

2. 2

   Inspect the wiring and connection of the low-pressure switch.

3. 3

   A technician should check system pressures and the switch's integrity.