Chapter 7: Troubleshooting
Product Service 1-800-522-7658
49
PROBLEM
CAUSE
CORRECTIVE ACTION
Drain hose not routed
properly (cont.)
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.
Water Low Alarm
Improper water
supply
Make sure water is turned on.
Tap water pressure must be at least 20 psi
(138 kPa) and flow must be at least 1.25 gallons
(4.7 liters)/minute.
DI water supply must have flow of at least 0.9
gallons (3.4 liter)/minute.
Improper water
supply (cont.)
At least 3.4 gallons (13 liters) must be available
for each DI rinse.
Defective fill valves
Clean screens inside the inlet fittings of the water
valves.
Check voltage to valves.
Replace valve if it does not operate.
Restricted flow
Check for kinks in water hoses in base of washer
to water inlet fitting on side of tank.
Defective DI water
pump
Check voltage at pump.
Listen for pump operation. Replace if necessary.
