49 Druck ADTS 2XX User Manual
K0451 Issue No. 1
5.5 Fault Finding
FIGURE 5-2 EXAMPLE ERROR SCREEN
| In the event of a malfunction, the built-in, self-test and diagnostic system displays a message
and a code. The message heading Error indicates a fault or condition that interrupts normal
operation. The following tables list the error messages with the probable cause and action to
be taken.
| If the display shows a message not listed in the tables the unit must be switched off. If the
display shows the same non-operational message after switching on, the unit should be
returned to the repair depot.
No. Message Probable Cause Action
7 Autoleak recovery activated Excessive leak rate detected in
Ps/Qc pressures
Check hoses and aircraft systems
for leaks
31 Test set must be at ground Invalid user request Select Go to Ground first
32 Pressure leak in Ps1.
Leak rate =
or
Pressure leak in Ps2.
Leak rate =
Leaking Ps1 channel pressure
control valve
or
Leaking Ps2 channel pressure
control valve
Return unit to repair depot
33 Pressure leak in Pt.
Leak rate =
Leaking Pt channel pressure
control valve
Return unit to repair depot
36 Ps1 Aim Overshoot
or
Ps2 Aim Overshoot
Leak rate on Ps1 too high to control
or
Leak rate on Ps2 too high to control
Check Ps1 or Ps2 hoses and
aircraft systems for leaks