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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Engine Overheating

Engine Overheating
Diagnostic Aids
The engine may overheat due to an intermittent operation of one of the following components:
^ The after boil heater pump
^ The coolant bypass solenoid
^ The coolant bypass valve
^ The mechanical cooling fan
^ The electric cooling fans
^ The thermostat

For electrical inspection of the cooling fans and the after boil heater pump, refer to Testing for Intermittent Conditions and Poor Connections in Computers and Control Systems.