E. Noise
Circuit noise, mechanical noise
Established
date
Revised date
16/17
Error
symptom
Standard Repair Process
15
Check location
of noise
Identify
nose
type
Circuit
noise
Replace PSU
Mechanical
noise
Check location
of noise
When the nose is severe, replace the module
(For models with fix information, upgrade the
S/W or provide the description)
OR
※ If there is a “Tak Tak” noise from the
cabinet, refer to the KMS fix information and
then proceed as shown in the solution manual
(For models without any fix information,
provide the description)
※ Mechanical noise is a natural
phenomenon, and apply the 1st level
description. When the customer does not
agree, apply the process by stage.
※ Describe the basis of the description
in “Part related to nose” in the Owner’s
Manual.
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Only for training and service purposes
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