Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Reference Value Symptom Chart

Reference Value Symptom Chart

The Reference Value Symptom Chart is used to provide guidance in selecting the appropriate PID or measured signal delated to the fault area. Select a symptom from the symptom chart along with the category number and go to the PID/Measured Signal Chart. For multiple symptoms, select symptom that is the mist evident.

Symptom Chart