Ss1 Error; E1 Error; Unbalance Error - Whirlpool LHB 1402 Service Manual

Vertical axis washing machine
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RID#2.3 SS1 ERROR
1.
SS1 Error will be detected if there is no feedback from slot sensor for 10 secs during
Load Sensing, Indexing, SIS and Speed based spin.
2.
Need to check :
a.
Run a Spin Program and check the basket is running if not check for
Motor, Capacitor, Torque motor connections (from PCB to specific
loads) and its operation.
b.
Slot sensor connections should be checked and also ensure there is no water
entry in between slot sensor connector & its wiring harness connector.
c.
Check for Slot sensor operation.
RID#2.4 E1 ERROR
1.
If there is no feedback from pressure sensor or if the frequency is out of range, E1 error
will be popped
2.
Need to check :
a.
Check for pressure sensor operation and its Connections (from PCB to
sensor).
b.
Ensure that there is no Kink or Water entry into pressure hose.
c.
Check for Inlet valve continuous flow
d.
Ensure that PCB is working fine.
e.
For manual water fill, ensure the amount of water filled should be less than the
level of balance ring
RID# 2.5 UNBALANCE ERROR
1.
During SIS, if the system fails to attain 50 to 150 Rpm / 150 to 300 Rpm / if
the Off balance threshold value gets crossed within a specified tenure then
control moves to Ub error.
2.
While detecting Ub
a.
For the Ist detection (Ub and the time will be flashed), Self correction process
will be done. i.e. Water fill and then agitation so as to distribute the cloths
b.
2
& 3
nd
rd
distribute the cloths and then to press start key
c.
4
detection will be a permanent Ub error & the same cannot be rectified by the
th
consumer
3.
Need to check:
a.
Ensure the laundry in a balanced distribution.
b.
Check whether the water in the system is completely draining or not.
c.
Ensure that there are 24 PIP in the system drive ( Run Line Test Routine →if
there is any PIP breakage there it will be detected as "PIP")
detection, system waits for consumer intervention to open the Lid
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