No Main Power - Royal Sovereign RSC-1400C Service Manual

2.2) No Main Power

CAUSES
1. Main Power is Not Turned On.
2. No Power from the Outlet.
3. Defective Main Fuse.
4. Control Panel (Sub-PCB) Wire is Not Connected.
5. Disconnected Main Power Wire.
6. Defective Transformer.
MEASURES
1. Main Power is Not Turned On.
a) Turn on the power switch which is located on the rear left.
2. No Power from the Outlet.
a) Ensure there is power on the outlet - check the circuit breaker.
3. Defective Main Fuse.
a) Using Multi-Meter test the continuity of the Main Fuse. If it fails, replace it. Figure 1
4. Control Panel (Sub-PCB) Wire is Not Connected.
a) Ensure that the control wires are connected to the Control Panel (Sub-PCB).
5. Disconnected Main Power Wire.
a) Connect the Main Power wires. Figure 2
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Figure 1
Figure 2
5
Main Fuse
Main Power wires