KYOWA WGA-120A Instruction Manual page 13

Limited life parts and preventive maintenance
The WGA-120A consists of various electronic components and those components, if not all, have a
useful life. Using them exceeding the years specified according to each part type (useful life) may affect
the characteristics of the WGA-120A, resulting in a malfunction or a failure. You need to replace parts
with a regular preventive maintenance schedule.
Limited life parts used with the WGA-120A are as follows.
Aluminum electrolytic capacitor
The signal-noise ratio will lower due to capacity low or smoke will be emitted due to liquid leak,
resulting in a malfunction of the WGA-120A.
EEPROM
EEPROM will results in malfunctions or degraded performance.
To operate the WGA-120A normally, finding a sign of the WGA-120A failure early by daily/periodic
inspections and taking the corrective action are required. For inspection, contact KYOWA or our
representatives. * All components do age and will fail.
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