T178 - 4-20 mA Static Pressure Reset/VFD Fail

Was bedeutet T178 ?

The 4-20 mA input for static pressure reset or VFD control has failed. These functions will be stopped.

• Input signal failure
• Wiring error

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Inspect the wiring related to the 4-20 mA input.

2. 2

   Verify the functionality of the external device providing the signal.

3. 3

   A technician should test the input signal and wiring integrity.