Troubleshooting Test C - Gets Too Cold Inside; Troubleshooting Test D - Builds Frost Inside - Norcold N260.3 Series Service Manual

Troubleshooting, cont'd.

Troubleshooting Test C - Gets Too Cold Inside

1. Perform the "Diagnostic Pre-Checks."
2. Operate the refrigerator on propane gas on the LO setting.
Does this stop the over freeze condition?
■ Yes: Operate on this setting.
■ No: Change refrigerator to AC operation to allow thermostat
control of cooling unit.
Refrigerator Gets Too Cold Inside
Is the AC
thermostat
set to (#5)
max cool?
YES
Change
thermostat to
lower set point.
Try #3, then #1.
Is food still
freezing?
Note! DC operation is intended to be used while the vehicle engine is
running. The DC mode of operation has no temperature regulation. AC
or propane modes of operation may be temperature regulated.
N260.3, 323
If ambient temp.
is < 50°F, foods
NO
may freeze
when operating
on the
#5 setting.
Keep door
YES
sightly open
by adjusting
travel latch.

Troubleshooting Test D - Builds Frost Inside

1. Perform the "Diagnostic Pre-Checks."
2. Remove unit from enclosure, leaving DC and DC power con-
nected. Have any wires become disconnected from their
terminals?
■ Yes: Reattach wires and test unit; refer to the wiring dia-
gram.
■ No: Go to the fl ow chart below.
Builds Frost Inside
Do the door
seal, handles,
and hinges
operate
properly?
(N260.3 only)
Remove unit
from enclosure.
Is foam plug
tape secure and
installed properly?
20
Repair or
NO
replace as
needed.
YES
Repair or
NO
replace tape
as
needed.
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