285 Issue 1 - Service Manual - Iceberg
33
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Check the motor is not HOT and the thermal over load switch is not open circuit.
•
Check the incoming power supply is ON and is the correct polarity.
•
Turn Wall Control to the on position.
•
Ensure that the unit is not in fan delay time.
•
Check if there is
240Volt AC
on the
Brown (Active)
and
Blue (Neutral)
at both Fan
Power Module located in the service compartment. As the incoming power is on the
bottom of the Fan Power Module you would check the power supply on the Main Control
board.
If 240Volt AC is present then:
Check if there is
48Volt DC
output at maximum fan speed at each 4 fan motor connections Red
(Active)
and
Blue (Neutral)
on both Fan Power Module (GF600-1C-AM) located in the service
compartment.
NOTE: PLEASE ENSURE YOU CHECK THIS ON DC VOLTS
If 48 Volt DC is present:
•
Replace Motor