Norcold N500 Service Manual page 38

!
WARNING:
Do not operate
refrigerator if the cooling unit
is leaking or a leak is
suspected.
Repair/replace door as
required.
Replace cooling unit.
Replace cooling unit.
Unit is operating normally.
Refrigerator Service Manual
From page 34.
the
Check condition of door gaskets.
NO
Door gaskets
sealing properly?
Recheck cooling unit for leaks.
YES
Any signs of
leakage present?
NO
Test test cooling unit
performance.
NO
Cooling detected?
YES
YES
Refrigerator
temperatures
normal
NO
Check thermistor and
power board operation.
www.norcold.com/cda
YES
Visual and audible signs of leak(s):
■
Yellow residue on the rear of the refrigerator.
■
Ammonia smell.
■
Gurgling noise (not always present.
Cooling unit performance test:
1. Disconnect thermistor from the wire harness.
2. Set temperature setting to the coldest setting.
3. Place thermometer in freezer.
4. Allow unit to operate for 3-4 hours.
5. Measure temperature.
The back of the freezer plate
should be cool after 3-4 hours of
continuous operation.
Temperatures given below are based on 90 °F ambient
temperature, correct ventilation, and operation at coldest
setting for a period of 8-12 hours.
■
?
Freezer 0
■
Fin temperature 18 °F to 25 °F.
F to -10 °F.
°
N500/N510 Models
35