Jackson MSC JP-24B Service Manual - page 12
TROUBLESHOOTING GUIDE continued
ITEM PROBLEM
1. NOTHING ON MACHINE OPERATES "POWER SWITCH ON - POWER LIGHT OFF"
1. Dishwasher circuit breaker turned off.
2. Defective circuit breaker - have electrician test.
3. Circuit breaker tripped - overload in circuit. a. Have electrician check amperage on
circuit.
2. WILL NOT FILL AUTOMATICALLY "POWER SWITCH ON - POWER LIGHT ON- RINSE/FILL
LIGHT OFF"
1. Close door completely and try again.
2. Faulty On/Fill - Off/Drain Switch.
3. Faulty Timer Cam Switch C-5.
4. Faulty Timer Cam Switch C-2.
5. Faulty Timer Motor.
6. Loose terminal connection or broken wire in circuit.
3. WILL NOT FILL AUTOMATICALLY "POWER SWITCH ON - POWER LIGHT ON -RINSE/FILL
LIGHT ON"
1. Low water supply pressure (requires 15-25 PSI flow) to machine
2. Faulty rinse/fill solenoid.
4. MACHINE WILL NOT RUN WASH/DRAIN/RINSE CYCLE IN AUTO CYCLE MODE BUT WILL
RUN WASH CYCLE IN MANUAL CYCLE - POWER SWITCH "ON" - POWER LIGHT "ON" -
CYCLE LIGHT-ON" IN AUTO
1. Faulty timer motor or bad connection.
2. Faulty timer motor cam switches C-3, C-4, C-5.
5. MACHINE WILL NOT RUN WASH/DRAIN/RINSE CYCLE IN AUTO CYCLE MODE BUT WILL
RUN WASH CYCLE IN MANUAL CYCLE - POWER SWITCH "ON" - POWER LIGHT "ON" -
CYCLE LIGHT "OFF" IN AUTO
1. Faulty timer motor or bad connection.
2. Faulty auto/manual switch.
3. Faulty timer cam switch C-3.
4. Faulty power switch S-1.
5. Faulty timer cam C-1.
6. Open circuit between door switch S-2 normally closed (N.C.) contacts
(Black/White wire) output and timer cam switch C-1 normally closed
(N.C.) contacts.
6. MACHINE RUNS DISHWASHING CYCLE IN AUTOMATIC BUT MANUAL WASH FUNCTION
DOES NOT WORK - POWER SWITCH "ON" - POWER LIGHT "ON" - CYCLE SWITCH IN
"MANUAL WASH".
1. Faulty cycle switch.
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