647 Chair Receptacles, Isolation Transformer Test and Repair
The isolation transformer affects the chair receptacles only.
Isolation Transformer Output Voltage Test
1.Place meter probes on receptacle screws as shown. Check meter reading.
Meter Reading |
Required Action |
---|---|
120 VAC, +/-10% |
Isolation transformer OK Replace receptacle(s). |
less than 108 VAC |
If chair power light is ON, replace isolation transformer. If power light is OFF, check supply voltage. |