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Test steps 1 & 2: Heating phase
Test steps 3 & 4: Cooling phase
1WARNING：
Handle the thermo switch 1 with special
care.
Never subject it to a strong shock or allow it
to be dropped. Should it be dropped, it must
be replaced.
(3). Voltage
• Connect the pocket tester (DC 20 V) to the
indicator light assembly 1 coupler.
Tester (+) lead
Brown terminal ①
Tester (–) lead
White/Blue terminal ②
• Turn the main switch to "ON".
• Check the voltage (12 V).
ELECTRICAL COMPONENTS
GOOD CONDITION
BAD CONDITION
Replace the thermo switch 1
OUT OF SPECIFICATION
The wiring circuit from the main switch to the
bulb socket connector is faulty, repair it.
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Table of Contents
Troubleshooting
