Alliance Laundry Systems CA050L - Page 47

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Troubleshooting
27.OM Reversing Control: No Cylinder Rotation or Reversing Capabilities
(continued)
Continued from
previous page.
Is there voltage
across the coil
of the forward
relay?
Correct the
wiring to the
relay.
Is
there voltage
to terminals L1,
L2 and L3 of
the forward
contactor?
Correct wiring
between relay
and supply
voltage.
Is
there voltage
to terminals T1,
T2 and T3 of
the forward
contactor?
Replace
forward relay.
Is there voltage
across L1, L2
and L3 of the
motor?
Correct wiring
between motor
and forward
relay.
TMB2328S-b
Continue here from
previous page for
Reverse Rotation: Is
there voltage to H2-4
of micro control?
Is there voltage
across the coil of
the reverse relay?
Correct the
wiring to the
relay.
Correct wiring
between relay
and supply
voltage.
Replace
reversing
relay.
Is there voltage
across L1, L2 and
L3 of the motor?
Correct wiring
between motor
and reversing
relay.
Does the
motor
turn?
Replace motor.
Make sure unit
is in the
reverse portion
of rotation.
Replace micro
control.
Does the
cylinder
rotate?
Check drive
components
between motor
and cylinder.
Unit
operational.
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Is
there voltage
to terminals L1,
L2 and L3 of
the reversing
contactor?
Is
there voltage
to terminals T1,
T2 and T3 of
the reversing
contactor?
TMB2328S-b