Smad CL-AM120-S20PSF/1201, Service Manual, Page: 17 / 33

17
6 ERORR CODES AND EXPLANATIONS
Error Code
Unit Action
Description
PossibleCauses Explanation
E4
Alarm for not draining：
When water in the tub
didn`t drain out
absolutely in 10min,PCB
will display
“E4”.Remind the
timeout.
Some machine is 15min
or more than 15min
the water in the
tub didn`t drain
out absolutely
drain-pipe is hung too
high
Drain pipe is not installed
correctly
Drain valve is blocked
Check whether there are
foreign bodies blocked drain in
drain valve
Drain valve is not fully
open
Bad fit with retractor and drain
valve
inner drain-pipe is
blocked
Check that whether the drain
pipe have obvious bending
drain-pipe is blocked
Check that whether the inner
drain pipe have obvious
bending
Drain pump filter is
blocked
Remove drainage pump filter
to check if there is any foreign
body blocked drain pump
Retractor is not open
Tractor has sound but can't
open the drain valve
The retractor is not running,
check whether the circuit is
normal
Replace the PCB check whether
the function is OK
Replace the retractor check
whether the function is OK
Drain pump cann`t drain
drain pump has sound but
can't drain normally
The drain pump is not running,
check whether the circuit is
normal
Replace the drain pump check
whether the function is OK
Replace the PCB check whether
the function is OK
PCB failure
Replace the PCB check whether
the function is OK
the water in the
tub is drain out
absolutely
Water level sensor
failure
Replace the water level sensor
check whether the function is
OK
PCB failure
Replace the PCB check whether
the function is OK
E5
Alarm for overflowing：
When water level more
than the highest water
level,the machine will
alarm "E5",remind
Remind the overflowing
the water in the
tub is full
Inject extra water in the
washing machine
artificially
Inject extra water in the
washing machine artificially
Can't stop the
water
Water water inlet valve
can't turn off
water inlet valve can't stop the
water without power
the water level
is OK
Water level sensor
failure
Replace the water level sensor
check whether the function is
OK
PCB failure
Replace the PCB check whether
the function is OK