1.Remove foot control switch.

2.Set meter to 200 Ω.

3.Place meter probes on COM and NC terminals.

With Switch Untripped
Meter Reading	Status	Required Action
Any resistance reading		Replace switch
OL		Switch is good. Perform next check.

With Switch Tripped
Meter Reading	Status	Required Action
Less than or = to 5 ohms		Switch is good. Perform next check.
OL		Replace switch

1.Disconnect wire harness from J8* on main PC board.

2.Set meter to 200 Ω.

3.Place one meter probe on black wire (common)of foot / hand control harness. Place other meter probe on the wire that corresponds to the switch to be tested:

Switch	Wire Color
Base Up	White
Base Down	Red
Back Up	Green
Back Down	Orange
Auto Return	Blue
Stop	Brown

With Switch Untripped
Meter Reading	Status	Required Action
Any resistance reading		Replace switch/switch membrane
OL		Switch is good. Perform next check.

With Switch Tripped
Meter Reading	Status	Required Action
Less than or = to 5 ohms		Switch is good. Perform next check.
OL		Replace switch/switch membrane

Removal

1.Remove Cover

2.Remove Switch. Disconnect wires.

Installation

1.Install switch. Connect wires.

2.Install cover.

Installation

1.Install touch pad onto switch panel.

2.Insert control cord thru hole in base. Connect to membrane connector. Slide strain relief block (on cord) into slot on base.

3.Install base plate.

Removal

1.Remove base plate.

2.Disconnect control cord from membrane connector.

3.Peel touch pad off of switch panel.