Moyer Diebel DFM7, Installation Manual

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Problem Cause(s) Solution(s)
Troubleshooting
Flowing water supply line pres-
sure measured at the glass-
washer exceeds 95 psi [655
kPa].
Defective solenoid valve(s).
Defective AUTO-FILL switch.
Rinse water pressure too high
Chemical container(s) are
empty.
Chemical supply line(s) are
clogged.
Chemical supply and/or pump
tube(s) are broken.
No power to chemical dispens-
ing pump(s).
Dispensing pump is defective.
Chemical pumps out of
adjustment
Water flows into glasswasher
when ON/OFF switch is in
the OFF position.
Chemical(s) are not flowing into
the glasswasher.
Reduce flowing water pressure
measured at the glasswasher
below 95 psi [655 kPa].
Authorized service agent may
rebuild or replace the solenoid
valve(s).
Incoming water pressure must be
5 PSI/35 kPa on pressure gauge
located on right-side of glasswasher
lower compartment
Refill the container(s).
Remove the supply line(s) from the
chemical containers and flush with
warm water.
Replace supply line(s) and/or pump
tube(s).
Authorized service agent must inspect
and repair
Chemical supplier must adjust
chemical pumps.
Authorized service agent may replace
chemical dispensing pump.
Service agent replace the switch.