Troubleshooting guide

ERROR
CODES
Drive Motor Tachometer
Error
The control is unable
to
properly
detect motor speed and the
machine will
shut down.
lf
a
failure
occurs during high-speed spin the door will be unlocked after
3
minutes.
PotentialCauses
.
Check
wire
harness
connections between the
Drive Motor
and the
Motor
Control
Unit
(MCU),
and between
the
MCU
and the CentralControl
Unit
(CCU)
.
Replace the Drive Motor
.
Replace the MCU
.
Reolace the Wire Harness
Motor
Control Unit Error
The
Central Control Unit has detected a short in the
molor
control unit. lf a failure
occurs durrng high-speed
spin the door
will
be unlocked after 3
minutes.
PotentialCauses
.
Check wire harness
connections between the Drive
Motor
and
the Motor
Control
Unit
(MCU),
and between
the
MCU
and the Central
Control Unit
(CCU)
.
Replace
the
MCU
.
Reolace
the Drive Motor
.
Reolace the Wire Harness
Overflow Condition
ll
the Overflow contact on the
Dressure
switch is Closed
for more
than 60 seconds
an Ovedlow condition
will
occur. In an Overflow condition, the
Door will remain
locked,
and the Drain Pump will run
constantly, even
if
PAUSE/CANCEL
is
pressed
twice and the Display is
cleared. Unplug the unit to service.
PotentialCauses
.
Check the drain
hose
and make sure it
is
not
plugged
or
kinked
.
Check
Wire
Harness connections to the Drain Pump,
Pressure
Switch, and
Central Control Unit
(CCU)
.
Checl</ Clean
Drain
Pump Filter of foreign objects
.
Check for Drain Pump Failure
.
Check the
Inlet Valve
for
proper
shut off
.
Check the Pressure
switch
for
proper
operation
Motor
Control Unit
(MCU)
Heat
Sink
ThermalTrip
lf
the thermal
protector
on the MCU heat sink
gets
too hot,
it will
open the thermal
protector
on the heat sink which will stop motor f unctions and an
"F110"
will
be
displayed.
PotentialCauses
.
Check for Proper Installation, verify
the unit
is not located near a source
of
heal
and has
proper
ventilation.
.
Check Wire Harness
connections to the
MCU, the motor, and Central Control
Unit
(CCU)
.
Check the Drive system for
any
worn or failed components
.
Replace MCU
.
Replace Motor