Alarm 700018 - Cooling motor issue

What does 700018 mean?

This alarm indicates a problem with the cooling motor, potentially due to an overload or an electrical connection issue. It suggests that the cooling system is not operating correctly, which could lead to overheating.

• The overload protection switch for the cooling motor has activated.
• The connection of pin 7 on interface X102 on the PPU is loose or broken.
• Pin 10 of interface X102 on the PPU is not properly connected to 0 V.

Click steps to track your progress.

1. 1

   Check the overload protection switch for the cooling motor to see if it has tripped. Reset it if necessary.

2. 2

   Inspect interface X102 on the back of the PPU and ensure the connection of pin 7 is secure and not broken.

3. 3

   Verify that pin 10 of interface X102 is properly connected to 0 V (ground).