Viking DFRD144 Service Manual page 18

Component Testing Procedures
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all ground wires are connected before certifying unit as repaired and/or operational.
Component
1.
2.
Overload
1.
2.
PTC Starter
18
Test Procedure
Remove overload from circuit and
allow 2 min. to cool.
Check resistance between overload
terminals .......................................... If terminals read open or dead short, replace
Remove overload from circuit and
allow 2 min. to cool.
Check resistance between overload
terminals
overload.
If terminals read open or dead short, replace
overload.
SMR-0003
Service Action
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