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TROUBLESHOOTING
TECHNICAL ISSUES
Dishmachine will not start.
Machine will not run in ON
position or in DELIME mode.
Machine fills continuously
even with no power applied to
the machine.
Machine runs continuously in
the wash cycle.
Machine will not hold water.
Machine will not fill, other
functions works.
Machine fills slowly and or the
rinse is weak.
Water will not drain from the
machine.
Water leaks at wash pump.
Dishes/Glasses are not clean.
LT-40 Series Technical Manual 2018
®
PART 5
POSSIBLE CAUSES
1. Service disconnect switch is off or
faulty.
2. Branch circuit breaker is tripped.
3. Electrical connections are loose or
broken.
Door switch, MAIN POWER switch or
DELIME switch is defective.
Water inlet solenoid valve is allowing
water into machine.
1. Check if machine is in DELIME
mode.
2. Possible issues with CAM timer.
1. Drain stopper is in bad condition.
2. Obstructed drain hole.
3. Drain linkage is binding.
1. Line strainer clogged.
2. Incoming water to unit is turned off.
3. Faulty MAIN POWER switch.
4. Faulty solenoid coil.
1. Clogged or obstructed wash arms.
2. Low incoming water pressure.
3. Line strainer is clogged.
4. CAM 4 not set to correct fill time.
Drain solenoid and drain mechanism
are faulty.
Wash pump seal is defective.
1. Machine temperatures are not up to
the minimum requirements.
2. No detergent/too much detergent.
3. Dry food soil on ware.
15
MAINTENANCE & REPAIR PROCEDURES
SOLUTIONS
1. Make sure it is on.
2. Reset or replace the part.
3. Tighten or replace them.
Call the service technician.
1. Check the water pressure during fill,
water pressure must be 15 psi.
2. Repair or replace the water inlet
solenoid valve.
1. Flip the switch to NORMAL position.
2. Contact service technician.
1. Replace the part.
2. Remove the obstruction from drain.
3. Repair damaged drain mechanism parts.
1. Refer to MAINTENANCE PROCEDURE
for cleaning instruction.
2. Turn on water to the unit.
3. Replace the part.
4. If coil has voltage but no continuity,
replace the solenoid.
1. Remove and clean the arms.
2. Adjust water pressure to 15 psi.
3. Refer to MAINTENANCE PROCEDURE
for cleaning instruction.
4. Adjust the right side of CAM 4 to
increase fill time.
Call service technician.
Replace the part.
1. Ensure that the incoming water meets
the requirement listed on the machine
data page.
2. Adjust the concentration as
recommended by the chemical provider.
3. Pre-scrap moist food soil or pre-soak
ware
www.insingermachine.com
800-344-4802
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