Code 87 — High contactor open

Was bedeutet 87 ?

The high stage contactor is stuck in the open position, failing to supply power to the high stage components.

• Faulty high stage contactor
• Wiring issue to the high stage contactor
• Control signal interruption

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Examine the high stage contactor for any visible damage.

2. 2

   Ensure all wiring connected to the contactor is secure.

3. 3

   Check the voltage signal that controls the contactor.

4. 4

   Contact an HVAC technician if the contactor needs to be replaced.