Frigidaire FFLE4033QW - Selector and Configuration Errors (E81-E98, E9 C)

133
Checks to perform:
E72
E72: NTC Closed Circuit
E72
NTC Closed Circuit, and Wiring or Main Board Defective
WARNING
Check that all the connectors are correctly inserted
Y
E
S
NO
Check Wiring for short circuit across the
Thermistor connections and whether it is
proper?
Y
E
S
Replace the Electronic Control Board and
repeat the Diagnostic Cycle to check for any
further alarms.
Measure the value of the Thermistor
between terminals of J4 wiring connector.
Is the value correct? (Between 47 KΩ – 66
KΩ at 20° to 25°C) (See Fig.1)
NO
Detach the connector and
measure directly on the
Thermistor. Is the value
correct? (Between 47
KΩ – 66 KΩ at 20° to
25°C) (See Fig. 2)
Y
E
S
NO
Replace the Thermistor and repeat
the Diagnostic Cycle to check for
any further alarms.
Check/Replace the wiring and repeat the Diagnostic Cycle
to check for any further alarms.
Check/Replace the wiring and repeat the Diagnostic Cycle
to check for any further alarms.