Chapter 6. Testing and Fault Finding
62 | ADTS 405 R/F Mk2 Instruction Manual-English
© 2017 General Electric Company – All Rights Reserved.
6.7 Ventilating after Overpressure
To calibrate or test the ADTS 405 Mk2, an external pressure source is connected to the Ps
and/or Pt output connectors. If, during calibration or test procedures, an overpressure occurs,
the output valves close to protect the system.
After the valves close, pressure may be trapped in the internal system; the display may show
on the next power-up error 701:0100 or 702:0100.
To vent the pressure:
a.
Remove the source of pressure and vent Ps and Pt to atmosphere (caps off).
b.
Re-power the ADTS 405 Mk2. During the power-up screen:
c.
Press
F1
and
F4
simultaneously. The ADTS 405 Mk2 enters maintenance mode.
Note:
The system may prompt for a PIN. This is not the CONFIG PIN but the
Calibration PIN. If this Calibration PIN is enabled and not entered, the system will
not execute the following procedure.
d.
In maintenance mode with the following screen display:
e.
Select
F3
. The display shows:
INFORMATION
Only select items detailed in the following menus,
incorrect selections can cause changes to safety limits and the calibration
data of the system.
DRUCK
ADTS 405
DKxxx
VER xx.xx
(MAINTENANCE)
F1 Data Block
F2 Suystem Config
F3 More
(MAINTENANCE)
F1 System
F2 Hardware
F3 More
