Champion usn-72 ユーザーガイド

Part 5: BASIC SERVICE

In the event that your dishwasher does not perform as expected, refer to the troubleshooting guide

below.  Perform the action suggested in the solution column.  Contact a qualified service

technician if the solution refers to a Repair Procedure in Part 5.3.
Many conditions may be resolved by performing the seven basic checks listed below:

1. All switches are ON.

2. Drain valves closed.

3. Wash and rinse nozzles are clean.

4. Wash and rinse pipe assemblies are installed correctly.

5. Scrap screens are properly positioned.

6. Thermostat(s) are properly adjusted.

7. Detergent and rinse additive dispensers are adequately filled.

Machine will not start

Doors not closed ...................................

Make sure doors are fully closed

Main switch off .....................................

Check disconnect at main panel
Check machine power switch

Door safety switch faulty ......................

Refer to Repair Procedure 5.3.22

Conveyor jammed .................................

Refer to Repair Procedure 5.3.20

Water  level low in tank(s) ....................

Check float switch(s) and  fill tanks

Defective float switch ...........................

Refer to Repair Procedure 5.3.5

Motor overload tripped .........................

Refer to Repair Procedure 5.3.24

Blown fuse or circuit breaker................

Refer to Repair Procedure 5.3.23

Low or no water

Main water supply is turned off ............

Turn on main water supply

Machine not filled initially ...................

Close drains/Open manual fill valves

Tank drain valve(s) open ......................

Close drain valve(s)

Clogged line strainer .............................

Clean strainer screen/replace strainer

Faulty manual fill valve ........................

Replace manual fill valve

Pump motor not running

Motor overload tripped .........................

Refer to Repair Procedure 5.3.24

Defective motor ....................................

Refer to Repair Procedure 5.3.14

Tank(s) water

Incoming water temperature .................

Raise temperature to:

temperature is low

to machine too low                                         140

°

F/43-60

°

C

when in use

Defective thermometer ........................

Refer to Repair Procedure 5.3.7

Defective thermostat .............................

Refer to Repair Procedure 5.3.8

Steam supply shut off ...........................

Turn on steam supply

Low steam pressure ..............................

Correct steam pressure is 15-30 PSI

Defective steam solenoid valve ............

Refer to Repair Procedure 5.3.4

Defective steam trap .............................

Refer to Repair Procedure 5.3.11