ALLIANCE T30 Series Troubleshooting Manual page 103

53. Motor Will Not Start/Run (continued)
Correct wiring
NO
between fan motor
and motor control
relay.
NO
Replace fan motor.
Single phase
Also
n next
NO
Correct wiring
between L2, L3 and
supply.
YES
Replace motor
control relay.
Correct wiring
NO
between terminal 6
of motor control
relay and supply.
NO
Replace motor
control relay.
Please see following 2 pages for wiring diagram information.
70291301
Is there voltage across
terminals 1 & 4 of
cylinder motor?
Does the cylinder
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Micro Display Control Troubleshooting
(9)
NO
between cylinder
motor and motor
YES
NO
Replace cylinder
motor run?
YES
Motors are
operational.
Note: For high voltage three phase supply (380 volts
or higher), the cylinder and fan motors are supplied
by L1, L2, L3 through the motor relay terminals T1,
T2, T3. Make the appropriate adjustments when
doing voltage checks.
Correct wiring
control relay.
motor.
TMB251S
TMB251S
101