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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Radiator Fan Switch Test

Radiator Fan Switch Test
1. Remove the radiator fan switch from the radiator.

2. Suspend the radiator fan switch (A) in a container of water as shown.
3. Heat the water, and check the temperature with a thermometer. Do not let the thermometer (B) touch the bottom of the hot container.

4. Measure the continuity between terminal No.1 and terminal No.2 according to the table.
5. Replace if necessary, and install the radiator fan switch.