86
BluCube Installation and Maintenance Manual 7222094 V1.12.0_04_2016
Condenser fan not operating - power
on
Power supply failure.
Check power supply at circuit
breaker.
Wiring to motor.
Check voltage at motor terminals.
Motor / fan assembly jammed.
Isolate unit and check free rotation
of motor/fan assembly. If faulty -
replace.
Motor internal overheat protector
tripped.
Carry out continuity check at
terminals “TK” in motor terminal
box. If tripped and motor hot - check
bearings. If tripped and motor cold -
replace motor.
Faulty motor windings/capacitor.
Motor humming would indicate
fault in motor or capacitor. Check
windings for continuity and if OK
replace capacitor.
Minimum speed set too low.
Adjust head pressure controller to
suit.
Faulty pressure sensor.
Check electrical connections are
secure at controller and pressure
sensor. Replace controller and
sensor (as they are matched sets).
Faulty Fan Speed Controller.
Link wires “line” and “load” to bypass
controller. If motor runs full speed -
replace unit.
BluCube™
Condensing Unit
Te
ch
ni
ca
l
Summary of Contents for BluCube CUR092V16-1CO-0
Page 90: ......
