Champion U-H1, Техническое руководство, Страница: 21 / 64

If a problem still exists after verifying the checklist, refer to the following
Troubleshooting Chart.
CONDITION CAUSE SOLUTION
Machine will not start -Door not closed..................................Close door fully
-Main switch OFF ...............................Check breakers or fuses
Low or no water -Main water supply OFF .....................Turn on house water supply
-PRV misadjusted or ..........................Set PRV to 138 kPa/20-22 PSI flowing
defective pressure
Replace PRV
-Line strainer clogged .........................Clean line strainer
Water temperature low -Incoming water temperature .............Raise temperature to:
when in use at machine too low 70°C/180°F for U-H1
60°C/140°F for U-HB 40°F rise booster
43°C/110°F for U-HB 70°F rise booster
60°C/Min 120°F-(140°F Optimum) for U-LD
-U-LD machine left idle......................Drain and refill with fresh hot water
for extended period (Optimum temperature 140°F)
-Thermostats out of
adjustment/defective .........................Readjust or replace thermostats
(U-H1/U-HB Only)
Insufficient pumped -Clogged spray arms ...........................Clean spray arms and nozzles
spray pressure -Sump filter clogged............................Must be kept clean and in place
Low final rinse temperature -Low incoming water ..........................See Solution for (Water temperature low
temperature when in use)
-U-LD set idle .....................................Drain and refill with fresh hot water
-Thermostat misadjusted .....................Adjust or replace booster thermostat
or defective (U-HB Only) (U-HB Only)
Chemical not feeding -No chemical in container ...................Replace or refill container
(U-LD Only) -Feed tubes to/from .............................Clean obstruction and flush with hot water
chemical pump clogged
-Tubing kinked or split........................Straighten or replace tubing
Poor washing results -Chemical pump defective ..................Contact your service agent
-Insufficient detergent .........................Check and fill supply
-Detergent setting low .........................Contact chemical supplier
-Wash water temperature ...................See water temperatures above
too low
-Wash arm clogged .............................Clean wash arm
-Improperly scraped dishes .................Check scraping procedures
-Ware improperly placed ....................Use proper racks. Do not overload racks.
in rack
-Improperly cleaned ...........................Check cleaning schedules
machine
-Electric element has ...........................Clean and/or delime
soil/lime build-up.
(U-HB, U-H1 Only)
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TROUBLESHOOTING