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 spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Initial Inspection and Diagnostic Overview

1. Verify the customer's concern by duplicating the condition.

Visual Inspection Chart:

2. Visually inspect the system, using the Visual Inspection Chart chart, to determine if the electrical or mechanical concerns apply.
3. If the inspection reveals obvious concern(s) that can be readily identified, service as required.
4. If the concern(s) remains after the inspection, determine the symptom(s) and go to Symptom Diagnosis.