Troubleshooting Chart
Condition
Cause
Solution
Dishwasher will not run.
HMI unresponsive.
Hood not closed/bad door
switch. Bad pump/contactor.
Power off/overload tripped.
Cycle not selected
Close Hood completely.
Check breaker on panel.
Select 1,2,4 or 6 min. cycle.
Low or no water.
Main water supply is off.
PRV setting incorrect.
Line strainer clogged.
Valve of float defective.
Open supply valve.
Set to 20-22 PSI flowing.
Contact Service Agent.
Contact Service Agent.
Chemicals won’t feed into
dishwasher.
Chemical supply low.
Pick-up tube clogged.
Supply tubing damaged.
Supply tubing kinked
Detergent Pump Error
Squeeze tube worn.
Refill chemical container.
Rinse tube with warm water.
Replace tubing.
Straighten tubing.
Check chemical containers.
Replace squeeze tube.
Poor wash results.
Wares incorrectly loaded in
dish rack.
Clogged screens.
Clogged spray arms.
Chemical injectors not
feeding.
Detergent Dispenser leaking.
Water temperature below
55°F for VHR.
Reposition wares or reduce
amount of wares.
Clean screens.
Clean spray arms.
Check chemical supplies.
Repair detergent pump hose.
Contact Service Agent
Increase water temp to 75°F.
Dishwasher stays in wash
cycle.
Rinse Sentry extends wash
mode to allow final rinse
water booster temperature to
reach 180°F/82°C.
Contact Service Agent.
Dishwasher will not drain.
Drain screen.
Drain valve defective.
Building drain clogged.
Clean screen.
Contact Service Agent, open
drain valve manually to drain.
Contact Building Maintenance.
Excessive steam is
escaping the Heat
Recovery System.
Incoming cold water temp.
above 75°F.
Incoming water pressure is
below 45 PSI flowing pressure
at the dishwasher.
Recovery coil or fan defective.
Check incoming water
temperature.
Check incoming water
pressure.
Check machine level.
Contact Service Agent.
Troubleshooting Chart
19
