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To avoid a service call, check symptoms and related possible causes. If machine still does not operate
properly, contact Service.
SYMPTOM POSSIBLE CAUSE
No machine operation. 1. Blown fuse or tripped circuit breaker at power supply.
2. Machine control is in MANUAL mode.
3. Check tank water level.
Dishes not clean. 1. Insufficient wash water due to drain obstruction preventing proper drain
closing.
2. Worn or torn drain "O" Ring allowing wash water to drain.
3. Loss of water pressure due to pump obstruction.
DISCONNECT ELECTRICAL POWER SUPPLY (BOTH DISHWASHER
AND BOOSTER IF APPLICABLE) and drain tank. Check for any
obstruction at the pump intake.
4. Incorrect water temperature. Check circuit breaker to electric heat
supply.
5. Incorrect detergent dispensing. Contact your detergent representative.
6. Excessive mineral deposits throughout wash and rinse system. Deliming
may be necessary.
Spotting silverware, glasses, 1. Improperly loaded racks.
and dishes.
2. Incorrect rinse water temperature.
3. Loss of water pressure due to pump obstruction.
DISCONNECT ELECTRICAL POWER SUPPLY (BOTH DISHWASHER
AND BOOSTER IF APPLICABLE) and drain tank. Check for any
obstruction at the pump intake.
4. Excessively hard water.
5. Incorrect detergent for water type.
6. Incorrect rinse additive for water type.
7. Incorrect concentration of detergent, rinse additive and/or sanitizer.