Labconco SteamScrubbe & FlaskScrubbe Glassware Washers 44204 Series User Manual
Page 43
Labconco Glassware Washer Service/Technical Manual
37
Low Temp Alarm, Erratic Temperature Display,
& Temp Sensor Alarm
This displays if the water doesn’t reach the set point
temperature within 135 minutes. Operation of the washer
continues. The alarm cancels when the door is opened.
This displays if the PC Board, during a cycle, fails to receive
a signal from the Temperature Sensor. The alarm is canceled by
repairing the connection from the Temperature Sensor or by
replacing the Sensor if it faulty.
Checking the Water Temperature
When this alarm has been received and is displayed on the screen. Open the
door of the washer and measure the actual temperature of the water (WATER MAY
BE VERY HOT!).
- If the measured temperature agrees with the displayed temperature,
GO TO “CHECKING THE FUNCTION OF THE SUMP HEATER”
- If the measured temperature is grossly different from the displayed
temperature, GO TO “CHECKING THE CALIBRATION OF THE PROBE”.
Figure 11
Above: Fill Trap Switch. Fill Switch has replaced
traditional Float Switch in the new style Steam & Flask
Scrubber Glassware Washers. Fill Switch may be
referred to as the “pressure switch”.
Right: Fill Trap Switch Assembly System. (K) Fill Trap
Switch. (L) Black and Orange electrical wiring. (M) Fill
Switch Pressure Hose. Hose is to be replaced if electrical
check shows that the switch is open.