Hitachi BD-W3300 Instruction Manual page 96

In case of when abnormal situations happen
Symptoms
The stain is not
cleanable
Darkening and
yellowing
96
Please check the following items
Is the washing load too much?
Washing capacity differs according to the program operated.
Is the washing load stained with dirt that can not be easily
removed such as mud or spilled food?
Have you put in too much detergent?
Too much form lowers the effect of beat wash and may result
in the activation of foam clearing action (feeding the water in
the tumbling drum after draining) during washing operation.
Have you put the detergent in the detergent case?
Highly concentrated detergent solution can not be formed if
the detergent is directly put into the tumbling drum.
Have you put in too much softener?
Putting too much softener may cause darkening.
Have you put in too much detergent?
Putting too much detergent may cause darkening and
yellowing.
Even if the appropriate amount of detergent or softener is
used, darkening or yellowing may still occur depending on
stains on the washing load.
Significant darkening and yellowing when a liquid detergent is
used.
To correct the problem of darkening and yellowing
Note
Check the pictorial indication or note of caution as bleaching
agent can not be used depending on the washing load.
Darkening and yellowing may not correct fully depending on
the condition.
Adjustment method
Adjust the washing load according to the program used.
Set the machine to the Hot Deep Wash program when washing
heavily stained cloth with spilled food etc.
When washing heavily stained washing load with mud etc., pre-
treat it and increase the time of washing operation, or operate the
machine in Heavy program.
Use appropriate amount of detergent according to the control
panel display.
Put the detergent in the detergent case only.
Use appropriate amount of softener.
Use appropriate amount of detergent according to the control
panel display.
Increase the number of spinning rotations or washing time,
or operate the machine after setting it to [WATER INJECTION
RINSING] mode.
Try synthetic powder detergent instead of detergent.
Try the following.
Wash after soaking (for one night) in the liquid detergent of 3
times concentration.
If darkening and yellowing still remains, bleach (leave in a
wash basin etc. for short time) the white clothes with chlorine
bleaching agent or reducing bleaching agent, and the color /
patterned clothes with a peroxide bleaching agent. (Check the
instructions manual of the bleaching agent before using)
(Continued)