26
PROBLEM
CAUSE
SOLUTION
Machine will not start.
Door not closed.
Main switch is off.
Unit is unplugged.
Clear door of any obstructions.
Check disconnect or main circuit.
Plug unit back into wall outlet.
Low or no water.
Main water supply is
turned off.
Turn on house water supply.
Chemicals are not entering
dishwasher.
Chemical supply container
is low or empty.
Pick-up tubing is kinked
or split.
Screen on pick-up tube is
clogged.
Pick-up tubing is clogged.
Replace or fill chemical supply
container.
Straighten or replace tubing.
Clean and/or replace screen.
Clear obstruction and flush with
hot water.
Poor pumped spray
pressure.
Clogged spray arms or
nozzles.
Clogged scrap screen.
Clear obstruction and flush with
hot water.
Clean and/or replace screen.
Troubleshooting
Poor wash results.
Detergent pick-up tube in
wrong container.
Wash water temperature
too low.
Wares incorrectly loaded
in rack.
No detergent.
Detergent set too low.
Place pick-up tube into the
correct container.
Have wash thermostat adjusted
by service agent.
Use correct racks and load
dishes without nesting.
Replace/refill detergent container.
Have chemical representative
calibrate setting.
Cycle times increasing
with each load.
Incoming water
temperature too low.
Raise incoming water
temperature.
Summary of Contents for UH-100
Page 16: ...8 This Page Intentionally Left Blank Blank Page ...
Page 24: ...16 This Page Intentionally Left Blank Blank Page ...
Page 32: ...24 This Page Intentionally Left Blank Blank Page ...
Page 33: ...25 Troubleshooting Troubleshooting ...
Page 35: ...27 Service Replacement Parts Service Replacement Parts ...
Page 39: ...31 Service Replacement Parts 3 1 4 5 7 8 12 10 11 9 13 14 15 16 6 2 17 11 ...
Page 41: ...33 Service Replacement Parts 4 1 5 6 2 7 9 10 TO BOOSTER TO WASH TANK 3 8 ...
Page 43: ...35 Service Replacement Parts 9 10 11 13 8 7 6 3 2 1 4 5 14 2 2 12 ...
Page 51: ...43 Service Replacement Parts W ATER CONNECTION TO BOOSTER OR FILL 1 3 4 5 6 7 8 2 2 2 6 9 ...
Page 55: ...47 Service Replacement Parts 1 2 3 6 4 5 7 ...
Page 57: ...49 Service Replacement Parts 10 9 8 7 6 5 4 3 2 1 Detergent Pump All Models ...
Page 59: ...51 Service Replacement Parts 1 8 2 3 5 4 6 7 10 9 Rinse Aid Sanitizer Pump ...
Page 61: ...53 Service Replacement Parts 3 8 7 1 2 5 4 6 Models UL 100 UH 100 and UH 100B ...
Page 62: ...54 Service Replacement Parts Models UH 170 and UH 170B 5 6 4 1 7 2 3 9 8 ...
Page 63: ...55 Service Replacement Parts Models UH 200 and UH 200B 10 2 3 1 5 4 6 12 13 14 11 ...
Page 65: ...57 Service Replacement Parts 1 2 3 4 5 6 7 8 9 10 11 4 3 6 6 6 13 12 ...
Page 67: ...59 Service Replacement Parts 1 2 3 4 5 6 7 8 ...
Page 69: ...61 Service Replacement Parts 1 2 6 3 4 5 7 9 10 8 ...
Page 71: ...63 Service Replacement Parts 1 2 3 4 9 5 6 7 8 Models UL 100 UH 100 and UH 100B ...
Page 74: ...66 This Page Intentionally Left Blank Blank Page ...
Page 75: ...67 Electrical Schematics Electrical Schematics ...
Page 76: ...68 Electrical Schematics ...
Page 77: ...69 Electrical Schematics For Machines Prior to S N 14326 ...
Page 78: ...70 For Machines prior to S N W14236 Electrical Schematics ...
Page 79: ...71 Electrical Schematics For Machines beginning with S N W14236 and above ...
Page 80: ...72 Schematics For Machines Beginning with S N 14326 and Above ...
Page 81: ...73 For Machines Beginning with S N 14326 and Above ...
Page 82: ...74 ...
Page 83: ...75 Timer Charts Timer Charts ...
Page 84: ...76 Timer Charts ...