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CONDITION
CAUSE
SOLUTION
Any motor not running
Overload protector tripped ..................Reset overload in Control Box
Defective motor...................................Contact your service agency
Wash tank water temperature
Incoming water temperature
is low when in use
at machine too low ..........................Raise temperature to:
140°F/60°C for D-HB and D-LF,
180°F/82°C for D-H1
Defective thermometer........................Check or replace
Defective thermostat ...........................Check for proper setting or replace
Lime scale buildup
on heating elements.........................Delime element
Defective heater element.....................Check or replace
Low steam pressure.............................Check steam supply pressure (15-30 psi)
Defective steam trap............................Check or replace
Defective solenoid valve .....................Check or replace
Insufficient pumped spray
Clogged pump intake screen ...............Clean
pressure
Clogged spray pipe..............................Clean
Scrap screen full..................................Must be kept clean and in place
Low water level in tank ......................Check drain and overflow tube
Pump motor rotation incorrect ............Reverse connection between L1 and L2
in Control Cabinet (3PH machines only)
Defective pump seal............................Contact Service Agent
Insufficient final rinse or no
Faulty pressure reducing valve ...........Clean or replace
final rinse
Improper setting on pressure
reducing valve .................................Set psi flow pressure at 20-22 psi/138 Kpa
Clogged rinse nozzle and/or pipe........Clean
Improper water line size......................Have installer change to proper size (3/4" min.)
Clogged “Y” strainer...........................Clean or replace
Low final rinse temperature
Low incoming water temperature .......Check house supply water temperature
Improper setting of booster
thermostat ........................................Be sure booster thermostat is set to maintain
180°F/82°C temperature
Defective booster thermostat ..............Replace thermostat
Defective thermometer........................Check for proper setting or replace
Poor washing results
Detergent dispenser not
operating properly ...........................Contact detergent supplier
Insufficient detergents.........................Contact detergent supplier
Wash water temperature
too low.............................................See condition “Wash Tank Water Temperature”
above
Wash arm clogged...............................Clean
Improperly scraped dishes ..................Check scraping procedures
Ware being improperly placed
in rack..............................................Use proper racks. Do not overload racks
Improperly cleaned equipment............Unclog wash sprays and rinse nozzles to
maintain proper pressure and flow conditions.
Overflows must be open. Keep wash water
as clean as possible.
Electric Elements or steam
coils has soil/lime buildup ..............Clean and/or delime
Poor drying results
Insufficient rinse-aid ...........................Contact chemical supplier
Low final rinse temp ...........................See condition “Low final rinse temperature.”
21
TROUBLESHOOTING
Содержание D-H1M3
Страница 31: ...29 REPLACEMENT PARTS REPLACEMENT PARTS ...
Страница 34: ...32 REPLACEMENT PARTS Figure 23 D HB D H1 D LF Door Guides Stops and Lift Bracket 8 2 9 4 3 2 2 1 5 6 7 ...
Страница 42: ...40 REPLACEMENT PARTS Figure 27 D HB D H1 D LF Wash Rinse Spray Arms 9 2 9 2 4 1 3 3 6 5 7 8 10 ...
Страница 62: ...1 2 3 60 REPLACEMENT PARTS Figure 37 D HB D H1 D LF Dishracks and PRV ...
Страница 64: ...62 REPLACEMENT PARTS THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 65: ...63 ELECTRICAL SCHEMATICS ELECTRICAL SCHEMATICS ...
Страница 68: ......
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