9-S10
MX5100, WSM
ELECTRICAL SYSTEM
Main Switch at START Position
1. Turn and hold the main switch key at the START position.
2. Measure the resistances with an ohmmeter across the B terminal
and the G terminal, and across the B terminal and the AC
terminal, and across the B terminal and the ST terminal.
3. If 0 ohm is not indicated, these contacts of the main switch are
faulty.
W1063250
Main Switch Key at PREHEAT Position
1. Turn and hold the main switch key at the PREHEAT position.
2. Measure the resistance with an ohmmeter across the terminal B
and the terminal G, and across the terminal B and the terminal
AC.
3. If 0 ohm is not indicated, these contacts of the main switch are
faulty.
W1064191
Resistance
B terminal -
G terminal
0 Ω
B terminal -
ST terminal
0 Ω
B terminal -
AC terminal
0 Ω
Resistance
B terminal -
G terminal
0 Ω
B terminal -
AC terminal
0 Ω
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