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TROUBLESHOOTING CHART
Condition
Dishwasher will not run.
Low or no water.
Chemicals not feeding
Poor wash results.
Dishwasher won't heat
Dishwasher will not drain.
Doors will not open.
Excessive steam is
escaping the Heat
Recovery System.
Cause
Door open/bad door switch.
Power off/overload tripped.
Cycle not selected
Main water supply is off.
PRV setting incorrect.
Line strainer clogged.
Valve or float defective.
Chemical supply low.
Pick-up tube clogged.
Supply tubing damaged.
Supply tubing kinked.
HMI setting incorrect
Squeeze tube worn.
Wares incorrectly loaded in
dish rack.
Clogged screens.
Clogged spray arms.
Chemical injectors not
feeding.
Wash temperature or final
rinse temperature low
Defective temperature sensor
Defective float
Drain screen.
Drain valve defective.
Building drain clogged.
Door latch jammed or
defective.
Machine is deliming.
Recovery coil or fan defective. Contact service agent.
Solution
Close door completely.
Check breaker on panel.
Select 1,2,4 or 6 min. cycle.
Open supply valve.
Set to 18 PSI flowing.
Contact service agent.
Contact service agent.
Refill chemical container.
Flush tube with warm water.
Replace tubing.
Straighten tubing.
Contact supervisor.
Replace squeeze tube.
Reposition wares or reduce
amount of wares.
Clean screens.
Clean spray arms.
Check/clean sensors.
Check incoming water
temperature. Contact Service
Agent.
Contact service agent.
Clean screen.
Contact Service Agent, open
drain valve manually to drain.
Contact Building Maintenance.
Check door latch or call for
service.
Normal operation.
Maintenance
19
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