SERVICE MANUAL
Checkout and adjustments
(Rev. 0) RTG PLUS (120V)
7-41
7.8.2
7.8.27.8.2
7.8.2
Impossible to regulate the line voltage
Impossible to regulate the line voltageImpossible to regulate the line voltage
Impossible to regulate the line voltage
This message is caused by too large line fluctuation during the
preheating time after having pressed the X-ray button.
Check that the line voltage does not vary more than 2.5V during a period
of a couple of seconds: if this is the case is necessary to stabilize the line
voltage.
If line voltage is stable, but the message is displayed:
• check that line voltage is read correctly by the device (reference
paragraph 7.3)
• check connections between CPU (A2) board and Power board (A1);
replace cables and/or connectors X16 and X17 as needed
•
WARNING:
The following test implies X-ray emission; please follow all measures
envisaged by local safety regulations.
• during the preheating time check that some of the relays from K1 to
K10 of the Power board used to compensate for line voltage value,
change their status; if this does not happen it is possible that the
relais network is failed and in this case replace the board.
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