Defect Code 24 - 27

Defect Codes 24-27:

*D* Defect code memory: Output for independent heating/ventilation defective:

Explanation: Wire to relay box for independent heating/ventilation has a break or a short to ground or plus.

Troubleshooting: As displayed on screen. Check the outputs with *D* activate components. Function test of module with *D* special functions - system test.