C
heck CP23 (LV) on X
CONT-2002.
YES
ithin range from
2V+20%
-
-30%?
X CONT or NEXSC is
abnormal.
—) Replace them in turn.
NO
Fuse Fl on
MUX CHARGE
normal?
NO
Replace Fl
If troble occur again,
change MUX CHARGEDIA
YES
Voltage
between pins 7 and
8 of connector JT1B from
transformer T1
10 VAC?
YES
NO
T1 is defective. Or check
power line to TI.
2
7-2 Countermeasures against Error Messages
Error messages displayed on the panel and the countermeasures are described in details as the following.
7-2.1 H1 and H2
The CPU calculates the accumulated heat capacity based on previous exposure, then issues these alarm
messages. If either of these messages is issued even while there is not so many exposure, check the voltage of
lithium battery and initialize the CPU.
7-2.2 H3
When the thermal switch of the X-ray tube is activated, this message will be displayed. If this message is
displayed even while the X-ray tube is not hot at all, check the thermal switch signal.
7-2.3 F01 and F02
(detected by software)
F01: The supply voltage is higher by approximately 20% or more than the normal value .
F02: The supply voltage is lower by approximately 30% or more than the normal value .
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