Ingersoll-Rand Thermo King Cold Cube, Operator'S Manual

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ColdCube Operation
29
Apart from possible problems identified by the red LED light
of the self diagnosis system, other possible problems are:
Problem Possible Reason Action
The ColdCube
works
connected to
the AC but not
connected to
12/24 V dc
(everything off) DC fuse burn out Replace fuse
DC cord defective or
not properly
connected on socket Check and, in
case, replace DC
cord
Main switch
defective Replace main
switch
Electronic unit
defective Replace
electronic
The ColdCube
works
connected to
12/24 V dc but
not connected
to the AC
(everything off) Main switch
defective Replace main
switch
Electronic unit
defective Replace
electronic
ColdCube
switch on
(controller
glows) but
compressor
and fan don't
run Error in controller
programming Re-set on the
right
programming
parameters
Controller defective
(in case compressor
and fan icon on are
lighted) Replace
controller
Defective wire
connection Check or replace
wires
ColdCube is
working but fan
is stopped (see
also self
diagnosis) Defective wire
connection Check
Fan defective Replace fan
Electronic unit
defective Replace
electronic
Problem Possible Reason Action