E21: Draining Problem - Frigidaire FFLE3911QW Technical & Service Manual

E21: Draining problem

E21
Drain pipe blocked, Drain pump defective or rotor locked, Pressure Sensor
defective or blocked, Drain pump is not energized (wiring or main board).
Checks to perform:
Is the drain pipe clean? (Check for blockage)
Y
E
S
Is the drain pipe positioned correctly and not causing the
siphon effect? (See Fig.1)
Y
E
S
Is the resistance
measurement of the pump
approximately 12Ω to 17Ω
? (Measure it directly on the
circuit board side between
terminals J15-3 & J15-4)
(See Fig. 2)
Y
E
S
Is the Drain pump rotor
mechanically blocked or
damaged?
N
O
Is the frequency of Pressure Sensor between 45 Hz to 45.5
Hz? (Measure it on the Pressure Sensor wiring connector in
Main Control Board when machine is powered with empty
tub (No water)) (See Fig.4)
Y
E
S
Replace the Main Control Board and repeat the Diagnostic Cycle to check for any further alarms.
Is the resistance measurement of
the Drain pump approximately 12Ω
NO
to 17Ω? (Measure it directly on the
pump) (See Fig. 3)
Check / Replace the wiring and repeat the Diagnostic Cycle to check for any further alarms.
Clean / Replace the Drain Pump and repeat the Diagnostic Cycle to check for any
YES
WARNING
Check that all the connectors are correctly inserted
Clean Drain pipe and repeat the Diagnostic Cycle to
NO
check for any further alarms.
Repair the drain circuit and repeat the Diagnostic Cycle
NO
to check for any further alarms.
NO
Y
E
S
further alarms.
Replace Pressure Sensor and repeat the Diagnostic
NO
Cycle to check for any further alarms.
163
E21
Replace the Drain pump and repeat
the Diagnostic Cycle to check for any
further alarms.