Kowa K9L48B, Service Manual, Page: 52 / 60

GG-09001 Edition 1.3
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Irregularity Check item Remedy
Buzzer does not stop
sounding. Optional green filter is inserted when FA
Mode is selected.
Remove the green filter when using FA
Mode. Select Mydriatic Color Mode,
when performing red-free photography.
“Err 1” appears on the
panel’s indicator.
Power switch was repeatedly turned ON
and OFF.
When you turn off the power switch, wait
for ten seconds before turning it ON again.
Should “Err 1” still appear, stop using the
system.
Check the voltage from outlet the
value, which needed to operating
“VX-10 alpha”
Insert plug into outlet, which output correct
voltage to operating “VX-10 alpha”.
Check the voltage on the power supply
main PCB, according to “13-2. Power
supply main PCB.”
Failure of the power supply PCB, or SMPS,
or Trans is suspected.
Replace failure unit, which is judged from
measured value.
“Err 2” appears on the
panel’s indicator.
Power switch was repeatedly turned ON
and OFF.
When you turn off the power switch, wait
for ten seconds before turning it ON again.
Should “Err 2” still appear, stop using the
system.
Check the voltage from outlet the
value, which needed to operating
“VX-10 alpha”
Insert plug into outlet, which output correct
voltage to operating “VX-10 alpha”.
Check the voltage on the power supply
main PCB, according to “13-2. Power
supply main PCB.”
Failure of the power supply PCB, or SMPS,
or Trans is suspected.
Replace failure unit, which is judged from
measured value.
Incorrect information of
left or right is registered
in filing software.
Check that the cable between power
supply unit and computer connect
correctly.
Connect the cable correctly.
Check that the information changes
when the base moves left and right.
Failure of the R/L selector switch is
suspected.
Replace the R/L selector switch, according
to “7-7. Replacing R/L selector switch”.
The trouble still was not solved, after
confirming all of the above.
Check and Improve the wrong assemble,
according to “13-1. How to step for
incorrect information of left or right.”