Menumaster Jetwave JET19 Series, Service Training Manual

Page: 57 / 67

HIGH VOLTAGE TRANSFORMER LINE VOLTAGE ISOLATION TEST
For MW No Heat or Low Heat Condition
NEVER TEST HIGH VOLTAGE CARRYING
COMPONENTS WITH UNIT POWERED
IN A COOK CONDITION
208 Line Voltage , test between Com. &
208 results should be 208 Volts
230 Line Voltage, test between Com. &
230 results should be 230 Volts
If not remove wires and test from each
wire to chassis ground - should be 115V.
Com. (L2) through Triac-Power Relay and
E1 on HV Board. Also check Door Switch
Assembly which powers relay
208 or 230 (L1) through relay on HV Board
HIGH VOLTAGE TRANSFORMER IS DUAL
VOLTAGE RATED. CONTROL BOARD
SENSES INCOMING LINE VOLTAGE
AND SENDS LINE 1 TO TRANSFORMER
208
COM
230