KAESER ASD T Series User Manual

Message Possible cause Remedy
start T ↧ Airend discharge temperature (ADT)
too low.
Ambient temperature <36 °F
Keep ambient conditions within
specified limits.
T-switch Customer specific:
no details possible.
–
ADT ↓ The airend discharge temperature
(ADT) did not reach the minimum val‐
ue required within the specified time.
Call authorized KAESER Service
representative.
ADT ↥ Maximum permissible airend dis‐
charge temperature (ADT) exceeded.
Keep ambient conditions within
specified limits.
Clean the cooler.
Check the cooling oil level.
ADT dT/dt ↥ Airend discharge temperature (ADT)
rising too quickly.
Check the cooling oil level.
Call authorized KAESER Service
representative.
access doors Door open / interlocked panel re‐
moved while the machine is running.
Fit and secure all panels and close
access doors.
Tab. 44 Alarm messages and measures
9.3 Warning messages (yellow LED lights)
Message Possible cause Remedy
blowoff prot. ↑ The activating pressure of the
safety relief valve will soon be
reached.
Change the oil separator cartridge.
Open the shut-off valve in the venting line.
bus alarm The bus link from the Profibus DP
interface is interrupted.
Check bus highway and plug.
PD temperature ↓ Package discharge (PD) tempera‐
ture too low.
Call authorized KAESER Service represen‐
tative.
PD temperature ↑ Package discharge (PD) tempera‐
ture too high.
Clean the cooler.
Check the cooling oil level.
DO test The 'controller outputs' test func‐
tion is activated.
Stop the 'controller output' mode.
restart inhibit Too frequent manual on and off
switching.
Do not exceed the maximum number of mo‐
tor switchings per hour when manual on/off
switching.
elect. equip. h ↥ The maintenance interval for
checking electrical equipment and
wiring has expired.
Carry out the check and reset the mainte‐
nance interval counter.
error: FEPROM Internal controller memory error. Call authorized KAESER Service represen‐
tative.
9 Fault Recognition and Rectification
9.3 Warning messages (yellow LED lights)
54
Service Manual Screw Compressor
ASD T Tri-Voltage 9_5721 06 USE

KAESER ASD T Series Specifications

General

Model	ASD T Series
Category	Compressor
Frequency	50/60 Hz
Drive System	Direct Drive
Cooling	Air-cooled
Type	Rotary Screw Compressor
Cooling System	Air-cooled
Control System	Sigma Control 2
Pressure	Up to 15 bar
Integrated Dryer	Yes
Voltage	400 V
Weight	Varies by model
Drive Motor	IE3 Premium Efficiency