Reece 32

CIRCUIT TROUBLESHOOTING CHART

TEST-REMEDY

MACHINE CONDITIONS

SYMPTOM

@ Set voltmeter to the 50 volt de scale.

Same as above

Same as above, also: Close Fingers !:!e switch

Connect the negative pr9be to ground or 142 arid the positive probe to 152. If a reading of 24 volts de is obtained, the Fingers Up switch is good. If not, replace switch. NOTE: Table Forward switch must close while Fingers Up switch is actuated. See Switch Adjustments.

@ Set voltmeter to the 50 volt ac scale. Connect the negative probe to ground or 142 and the positive probe to SY. If a reading of 24 volts de is obtained, the Knee (Knife ) Switch is good. If not, replace switch.

Same as above

Same as above

Repeat steps @. ~, ( 9C) and @) .

@ Set voltmeter to the 50 volt de scale. Connect the negative probe to ground

MAIN SWITCH __ Pull to Start

Knif~ Fingers start to go up, but will

SELECTOR FINGERS.

P&E SEMI

I ..

not go up all the

or 142 and the positive probe to TP10. If a reading of 24 volts de is obtained, the Fingers Down switch is good. If not, replace switch.

way.

Depress Knee switch momentarily.

@ Set voltmeter to the 150 volt ac scale. Connect the probes to 14Y and TP30. If a reading of 115 volts ac is obtained, the circuit board. components are good. If not, repJace circuit board. . @ Set voltmeter to the 50 volt de scale. Connect the negative probe to ground

Same as above

Same as above

i.

Knife Fingers will

MAIN SWITCH __ Pull to Start

not go down.

SELECTOR

P&E

)

CLAMP TABLE __ Forward Fingers raised by malfunction.

or 142 and the positive probe to 112. If a reading of 24 volts de is obtained, check the Fingers Down switch, the FINGERS (panel) switch in the UP position, the Fingers Up switch, and the Kpee (Knife) Switch. Replace faulty switch.

@ Check for short in Knife Fingers circuit in area of Fingers Down switch.

! '·

Kn.ife fingers vibrate in UP

Malfunction

position.

From the Library of Superior Sewing Machine & Supply LLC