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Hybrid Timer Control Troubleshooting
38. Motor Will Not Start/Run – OPL Models
Please see following 2 pages for wiring diagram information.
Is there voltage
across the lines of
cylinder motor?
Does the cylinder
motor run?
Correct wiring
between cylinder
motor and motor
control relay.
Replace cylinder
motor.
NO
NO
YES
YES
Motors are
operational.
(9)
Is there voltage across
H4-7 and H4-4 on
the electronic control ?
YES
Is there voltage
across H4-3 and H4-4
on the electronic control?
Is there voltage at
the input side of the
motor control relay?
Is there voltage at
the output side of motor
control relay?
Is there voltage
across the lines of
the fan motor?
Is there voltage at
the input side of motor
control relay?
Is there voltage at
the output side of motor
control relay?
Replace
control.
Correct wiring
between control relay
and power supply.
Replace motor
control relay.
Correct wiring
between fan motor
and motor control
relay.
Correct wiring
between terminal 6
of motor control
relay and supply.
Replace motor
control relay.
NO
YES
YES
YES
YES
NO
NO
NO
NO
YES
NO
Note: test conducted with vend
price satisfied and start button
pressed.
YES
NO
Refer to
Control Has No
Display - OPL Models
flowchart.
(1)
Is there voltage
across the coil of
the motor control
relay?
Correct wiring to coil
of motor relay .
(2)
YES
NO
(3)
(4)
(5)
(6)
(7)
(8)
TMB2046S
Gas, electric and steam heat.
Single and three phase power supply.
NOTE: Please use the
appropriate wiring diagram
from the following pages.
Содержание YT025E
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