Jackson 24P-NSU Service Manual - Trouble Shooting Guide

TROUBLE SHOOTING GUIDE 

PROBLEM Water overflow out bottom of front 

door when wash pump is operating.

CAUSE Machine not level.

Overflow drain clogged.

SOLUTION Level machine.  

Slight tilt to rear  

Remove obstruction, checking inside of machine 

first.

Water level in machine's wash reservoir too high.

Solenoid valve not closing at end of fill or rinse 

cycle causing excessive water problem.

Detergent foaming.

Reduce quantity of detergent.

Wash motor doesn't operate on manual wash.

Wires broken or loose.

Check all wires in the motor and reconnect as 

necessary.

Defective manual wash switch.

Replace.

Bad bearing, noticeable by noisy bearings or locked 

drive shaft.

Replace.

Defective motor starting relay. (Typical • motor 

hums.)

Replace.

Note: The mo tor starting relay is utilized to insert a starting field in the wash pump motor, once the motor has gained speed, the running winding will 

then take over and the starting winding will be removed when the relay kicks out. This relay is the amperage sensing type.

Motor runs on manual wash but doesn't operate 

on automatic (rinse operates okay on both 

manual and automatic cycles.)

Defective center micro switch of timer.

Defective circuit in manual wash switch.

Replace switch.  

Replace switch.

No water come s through the rinse arms when 

the rinse fill switch is depressed.

Hand water valve to machine not turned on.

Turn on water valve.

Defective coil on solenoid valve.

Replace coil.

Broken or loose wires.

Repair or reconnect.

Defective manual rinse fill switch.

Replace.

Little or no water coming through rinse 

assemblies.

Limed up rinse heads or piping.

Begin by cleaning rinse heads using instructions 

for de-liming. If this isn't satisfactory, then clean 

the rinse feed pipes.

Water pressure low.

Increase pipe size to machine.

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