Chiller Will Not Power Up; Chiller Will Not Power Up - Conair MPA User Manual

C
HILLER
W N
ILL OT
P U
OWER P
Symptom
Applying power
does not turn on
the chiller or light
the control panel.
The control panel is
lit, but the chiller
will not operate
when RUN is
pressed.
6-12
T
ROUBLESHOOTING
If you apply power to the chiller and the control panel does not
light, you have a problem with the main power circuit or the
unit's microprocessor board.
WARNING: Electrical Shock Hazard
Disconnect and lockout the main power supply
before proceeding.
Possible cause
Is power reaching the
chiller?
Has the unit blown a
fuse?
Is the correct voltage
reaching the chiller?
Is the unit in Test Mode?
microKool Portable Chillers
Solution
Verify that the main power
supply and any customer-
installed electrical discon-
nect or emergency stop
devices are in the ON posi-
tion.
Verify correct electrical con-
nections between the unit
and the control, and
between the unit and the
power supply. Replace any
damaged wires or cables.
Check Fuse 1 on the mother-
board and any fuses or breakers
associated with customer-
installed disconnect devices.
Replace or reset as required.
Identify the cause of the ground
fault and correct it. See
R F
ING AND EPLACING USES
Check the electrical require-
ments on the unit nameplate.
Verify correct main supply
voltage to the unit and the sec-
ondary voltage supply from the
transformer to unit compo-
nents. Replace the transformer,
if necessary.
If the Test Mode LED is lit,
you must disable Test Mode on
the motherboard before resum-
ing operation. See
P
ERFORMING
S T in the
YSTEM ESTS
M
section.
AINTENANCE
UGH004/0999
C -
HECK
.