Primus D13 - Page 69

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Section 7 Electronic Control Troubleshooting
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WILL NOT RUN – ELECTRIC – MANUAL TIMER
(Sheet 3 of 3)
T053D
Is there voltage at
terminals 1 & 4 of
the cylinder motor?
Correct wiring
between cylinder
motor and contact
9 on the motor
control relay.
NO
Does the cylinder
motor run?
Replace the
cylinder motor.
NO
The cylinder and
fan motors are
operational.
YES
YES
Is there voltage to
terminal 6 on the
motor control relay?
voltage across
terminal 6 & 9 of the
motor control relay?
Correct wiring
between terminal
6 and power
supply.
Replace motor
control relay.
NO
YES
YES
NO
Is unit single phase or
three phase?
Single phase.
Three phase.
Is there voltage to L2
on motor control relay?
Correct wiring
between motor
control relay and
supply.
Is there voltage to L3
on motor control relay?
Correct wiring
between motor
control relay and
supply.
voltage across
L2 to T2 and L3 to
T3 on the motor
control relay?
Replace motor
control relay.
NO
YES
YES
NO
YES
NO
T053D
Is there
Is there