7-6
122998-741
Operator Manual
Troubleshooting
24. Sump not draining properly.
NOTE: Drain only timer on
computerized units.
1.
Self-cleaning screen blocked - Remove, clean, and reinstall prop-
erly.
2.
Plugged Jamesbury drain valve - Undo union exiting self-cleaning
screen, clear obstruction, and reconnect.
3.
Drain fill timer (DFT) set too short - Raise time until there is approxi-
mately 15 seconds past pressure drop (sound change) in pump.
4.
Plugged facility drain - Rectify.
25. Machine stops in alkaline
cycle.
1.
Steam supply off - Turn hot water supply on.
2.
Poor quality steam supply - Test steam for pressure and moisture
content to meet specifications.
26. Machine will not stop.
1.
Stuck start button - Free up start button.
2.
Manual switches left on - Turn manual switches off before starting
machine.
27. Machine not cleaning properly.
NOTE: Drain only timer on
computerized units.
1.
Temperature in excess of 195°F (91°C) - Lower set-point tempera-
ture.
2.
Self-cleaning screen blocked - Remove, clean, and reinstall prop-
erly.
3.
Plugged Jamesbury drain valve - Undo union exiting self-cleaning
screen, clear obstruction, and reconnect.
4.
Plugged spray jets - Poke debris into jets, remove plugs located at
bottom of spray header, run spray manually, and reinstall plugs.
5.
Spray header jammed - Verify inside cabinet for obstruction.
6.
Drain fill timer (DFT) set too short - Raise time until there is approxi-
mately 15 seconds past pressure drop (sound change) in pump.
7.
Stuck start button - Free up start button.
8.
Too much soap - Rinse with cold water and decrease usage.
9.
Plugs is spray header missing - Reinstall plugs.
Table 7-1. Operator Troubleshooting Chart - No Alarm or Printout (Cont’d)
PROBLEM
POSSIBLE CAUSE AND CORRECTION