GB-19
D
GB
F
NL
I
E
4
3
E
? The display blinks and indicates
E 34
.
!
Faulty actuation of the air valve.
!
Voltage is applied to the air valve outputs
(65 – 67).
•
Check the wiring and ensure that the voltage
outputs and inputs have the same polarity and
are not reversed.
!
Fuse F3 defective.
•
Replace fuse F3.
!
An internal device error occurred.
•
Replace the power module.
•
Remove the unit and return it to the manufacturer
for inspection.
5
3
E
? The display blinks and indicates
E 35
.
!
Bus module and control unit are incompatible.
•
Check the bus system and PLC for compatibility.
!
Bus module does not support the selected func-
tion.
•
Check the setting of parameter A075.
3 6
E
? The display blinks and indicates
E 36
.
!
Voltage is applied to the device outputs.
•
Check the wiring and ensure that the voltage
outputs and inputs have the same polarity and
are not reversed.
!
Fuses defective.
•
Replace the fuses.
!
An internal device error occurred.
•
Replace the power module.
•
Remove the unit and return it to the manufacturer
for inspection.
4 0
E
? The display blinks and indicates
E 40
.
!
The gas solenoid valve V1 is leaking.
•
Check the gas solenoid valve V1.
!
The gas pressure switch DGp
u
/2 for the tightness
test has been set incorrectly.
•
Check the inlet pressure.
•
Set DGp
u
/2 to the correct inlet pressure.
•
Check the wiring.
!
The test pressure between V1 and V2 has not
decreased.
•
Check the installation.
!
The test period is too long.
•
Check parameter A056 (Measurement time V
p1
)
and change using BCSoft.
•
If the fault cannot be remedied by doing this,
remove the unit and return it to the manufacturer
for inspection.
4 1
E
? The display blinks and indicates
E 41
.
!
The downstream gas solenoid valve (V2, V3 or
V4) is leaking.
•
Check the downstream solenoid valve.
!
The gas pressure switch DGp
u
/2 for the tightness
test has been set incorrectly.
•
Check the inlet pressure.
•
Set DGp
u
/2 to the correct pressure.
•
Check the wiring.
!
The test period is too long.
•
Check parameter A056 (Measurement time V
p1
)
and change using BCSoft.
•
If the fault cannot be remedied by doing this,
remove the unit and return it to the manufacturer
for inspection.
4 4
E
? The display blinks and indicates
E 44
.
!
Faulty pressure switch signal.
•
Check the wiring and setting of the pressure
switch/gas valve.
5 1
? The display blinks and indicates
51
.
!
Interruption of signal at the “Safety interlock/
Controller enable/Emergency stop” input (ter-
minal 35).
•
Check voltage supply to terminal 35.
5 2
? The display blinks and indicates
52
.
!
The BCU is permanently reset by remote reset.
•
Check remote reset activation (default termi-
nal = 2 or bus).
•
To reset the unit, only apply voltage to the remote
reset terminal for approx. 1 second.