ALLIANCE T30 Series Troubleshooting Manual page 58

Electronic Control Troubleshooting
32. Will Not Start/Continue Running – OPL Microprocessor Control
(continued)
56
Is there voltage
across terminals 1 & 4 of
the cylinder motor?
YES
Does the cylinder
motor run?
YES
Unit operational.
NOTE: For three phase high voltage (380 volts or
higher), the cylinder and fan motors are supplied L1, L2,
L3 through the motor relay terminals T1, T2, T3. Make
the appropriate voltage checks while doing trouble
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Correct the wiring
NO
between the
cylinder motor and
control relay.
NO
Replace cylinder
motor.
shooting.
T009D
T009D
70291301