Alarms - Labconco SteamScrubber 44003 Series Service – Technical Manual

Labconco Glassware Washer Service/Technical Manual
Low Temp Alarm
Heater inoperative
Defective controller
Defective
temperature probe
Defective high
temperature cut out
switch

Alarms

Throughout a wash cycle there are several abnormal events that could occur.
The washer is programmed to monitor these occurrences and provide an alarm to
alert the operator. Information is shown on the display to identify the alarm
situation. The following messages may be displayed. Certain alarm situations
are signaled with an audible sound which self cancels after 1 minute.
HOT GLASS
This displays at the end of a cycle if the temperature inside the
washer is over 122°F (50°C). The alarm cancels when the temperature
cools.
PLEASE WAIT
This displays if the door is opened and then closed during a wash or
rinse segment of a cycle. The display will also show the time remaining
until the operation of the washer will resume where it was interrupted.
LOW WATER
This displays if a water fill is inadequate. The washer will cancel the
cycle and drain water that is in the washer. The alarm is canceled by
opening the door.
WATER HIGH (OVERFILL)
This displays if the washer overfills with water. Water fill valves
will be closed and the washer will cancel the cycle and drain water
that is in the washer. The alarm is canceled by opening the door.
OVERFLOW
This displays if water is detected in the base of the washer. Water
fill valves will be closed and the washer will cancel the cycle and
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Check electrical connections.
Check voltage to heater.
Check resistance of heater. If open
circuit, replace heater.
Check output from PCB to heater.
Replace PCB. Contact Labconco
Product Service.
Check electrical connections.
Contact Labconco Product Service.
Replace if necessary.
Check resistance of safety cut out
switch. If open circuit at room
temperature, replace switch.