Labconco FlaskScrubber Vantage Series Glassware Washers 4540031 - Manual (Page 57)

Chapter 7: Troubleshooting
Product Service 1-800-522-7658 53
PROBLEM CAUSE CORRECTIVE ACTION
Drain Fail Alarm Drain Valve
inoperable Listen for click when washer should drain.
Check for mechanical restriction of actuator arm
on top of valve.
Check for electrical power to valve.
Check for damage to valve coil.
Drain Pump
inoperable Check if pump fan turns when washer should
drain.
Check for mechanical restriction of fan.
Check for electrical power to pump.
Drain hose not routed
properly Hose from drain pump must slope upward and
have no low spots or horizontal runs under
washer tank.
Make sure hose is attached to the back of the
washer and has a high loop.
Hose must be attached to building plumbing pipe
¾ inch ID or larger.
Hose from washer must not be attached to another
hose.
Check for kinks in hose.
Drain hose must not be elevated more than 30
inches.
Pump lost its prime Remove ALL water from inside drain hose.
Pump will prime when water drains from washer.
Building plumbing
defective Check for blocked air gap.
Check for clogged drain.
Filter screen clogged Clean screen in bottom of washer.
Defective fill level
switch Contact Labconco Product Service.
Defective controller Check output from PCB to drain valve and pump.
Replace PCB. Contact Labconco Product
Service.