Belmont PHOT-X IIs 505, Installation Instructions Manual

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(*) Should a step up or down transformer be required to follow local and national electrical code for
electrical ratings and installation.
rror
Code
Condition Step to be Taken Possible Solution
E.15
E.16
E.17
E.18
E.19
E.20
E.22
E.23
Tube Potential at last portion of exposure
was more than 70 kV at 60 kV setting.
Turn off the main power
switch and wait for
approximately 2 min.
Turn on the main power
switch again.
Refer to the service
manual.
Refer to the service
manual.
Release the exposure
switch.
During the exposure, tube potential becomes
less than 40 kV at 60 kV setting or less than
50 kV at 70 kV setting.
During the exposure, tube potential becomes
more than 80 kV.
Excess current was detected in primary circuit
of high voltage transformer.
Exposure switch was depressed when tube
head temperature was over 60
°
C.
Failure of electrical communication between
the power PCB and timer PCB.
Some switch had been on, when the main power
switch is turned on. (Except the exposure switch.)
Excess current was detected in primary circuit
of filament transformer.
Turn off the main power
switch and wait for
approximately 2 min.
Turn on the main power
switch again.
Turn off the main power
switch and wait until
temperature goes down.
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performed . Any part of this x-ray unit shall not be maintenanced or serviced while in use with a
patient. The specific instructions to perform these checkes are located within the PHOT-X IIs
505 Installation manual.
a. Maintenance personnel : Qualified dealer service personnel who has the experience with
Belmont's x-ray or has been trained by Belmont. But i tem 6 - 9 of the maintenace check list
on page 29 should be verified routinely by treatment room personnel.
b. Specification of the parameters to be monitored and monitoring frequency : Refer to the
m aintenance check list on page 29 .
c. Acceptance limit : Refer to the Maintenance check list on page 29 .
d. Required action when failed : Refer to the Maintenace check list on page 29 .
e. Tools to maintain quality control logs : Use the check list on page 29 .
f. Training material : Operator's instructions, Installation manual and Service manual
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