Replacing the Drain Rod Microswitch

This component prevents the elements from heating while the drain is open by disrupting the power to the heat contactor.

To avoid electrical shock or property damage, move the power switch to OFF and disconnect power.

Checkout

1. Remove control panel and hinge it down.

2. Referring to the decal on the rear of the control panel, locate P9 connector (left vat-split vat) or P10 connector (full or right vat).

3. Check for normally open circuit between the 2 appropriate pins. If the circuit shows closed, continue with the replacement instructions below.

Replacement

1. Remove right or left side panel, depending upon what side the faulty switch is on.

   

2. Pull connector from behind control panel area.

   

3. Using crosshead screwdriver and a 5/16 inch socket, remove the nut and screw securing the switch and remove switch from unit.

4. Remove wires from switch and place on new switch, placing them on the normally open and common terminals.

5. Install new switch in reverse order.