Jackson MSC JP-24B Service Manual - page 13
TROUBLESHOOTING GUIDE continued
ITEM PROBLEM
7. WASH TEMPERATURE LOWER THAN REQUIRED 150 DEG. F.
1. Faulty temperature gauge.
2. Rinse temperature below 180 cleg. F. minimum.
See RINSE TEMPERATURE LOWER THAN REQUIRED 180 DEG. F.
8. RINSE TEMPERATURE LOWER THAN REQUIRED 180 DEG. F.
1. Faulty temperature gauge.
2. Faulty rinse booster tank thermostat or adjustment.
3. Incoming water supply pressure not 15-25 PSI flow pressure.
4. Incoming water supply temperature below 140 deg. F. min.
5. Faulty power switch.
6. Faulty rinse booster tank heater element.
7. Rinse booster tank heater element scaled by hard water.
8. Faulty rinse booster heater contactor.
9. FILLS SLOWLY AND/OR RINSE IS WEAK
1. Low water pressure to dishwasher.
2. Rinse spray arms clogged or limed up.
10. RINSE WATER RUNS CONSTANTLY - "POWER IS ON" - "RINSE/FILL LIGHT ON" - RINSE STOPS
& LIGHT GOES OUT WHEN POWER IS TURNED OFF
1. Faulty timer switch cam C-5.
11. RINSE WATER RUNS CONSTANTLY - "POWER IS OFF" - "RINSE FILL LIGHT OFF
1. Check for excessive pressure to machine. Operating pressure is 15 -
25 PSI flow pressure.
2. Faulty rinse/fill solenoid.
12. WASH TANK WATER LEVEL IS LOW
1. Check for proper flow pressure to machine.
2 Check for minimum 1/2 pipe water supply line.
3. Check for clogged rinse spray arms.
4 Faulty timer cam switch C-5 for rinse/fill. Cycle not long enough
5. Faulty timer cam switch C-4 for draining. Cycle too long- may need calibration.
6. Leaking drain valve seal - see service procedures for replacement.
13. WASH TANK WATER LEVEL IS HIGH
1. Check for proper flow pressure to machine.
2. Faulty timer cam switch C-5 for rinse/fill. Cycle too long - may need calibration.
3. Faulty timer cam switch C-4 for draining. Cycle not long enough - may need calibration.
4. Faulty drain valve.
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