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)

Or, hide this message: temporarily or permanently

Initial Inspection and Diagnostic Overview

PRELIMINARY CHECKS

1. Check A/C HTR Fuse to see if it is blown, if blown locate and repair source of overload. Replace fuse.
2. If fuse is not blown, proceed with the following diagnostic procedures.