KAESER ASD T Series User Manual

Message Possible cause Remedy
DO1.6/DO1.7 I ↥ Short circuit in the line between the
digital output and the consumer.
Check line and connections.
airend rotation The drive motor is turning in the wrong
direction.
Swap phase lines L1 and L2.
ext. message 0
ext. message 1
ext. message 2
ext. message 3
ext. message 4
ext. message 5
Customer specific:
no details possible.
–
FC Frequency converter faulty. Call authorized KAESER Service
representative.
back press. stop Back pressure in the oil separator tank
caused by defective venting.
Check venting line.
back press. run Drive belts or coupling broken. Drive belts:
Replace drive belts.
Coupling:
Call authorized KAESER Service
representative.
HT cell Fault in the high tension cell. Call authorized KAESER Service
representative.
no press.buildup The machine produces no com‐
pressed air.
The working pressure does not rise
above 50 psig within a default period.
Check the machine for leaks.
Check coupling/V-belts
Call authorized KAESER Service
representative.
condensatedrain The condensate drain is defective. Check the condensate drain.
coolingwater low Cooling water pressure is too low. Check cooling water supply.
Cooling water stop valve:
Check open/closed.
RD condens.drain Condensate drain faulty. Check the condensate drain.
RD p ↥ The pressure switch for the refrigerant
compressor has activated.
Keep ambient conditions within
specified limits.
Clean the refrigerant condenser.
Clean the cooler.
RD T ↧ Temperature in refrigeration dryer too
low.
Call authorized KAESER Service
representative.
fan M2 I ↥ Overload shut-down of the first fan
motor.
Investigate cause of shut-down.
Reset overload protection cut-out.
Call authorized KAESER Service
representative.
fan M3 I ↥ Overload shut-down of the second fan
motor.
Investigate cause of shut-down.
Reset overload protection cut-out.
Call authorized KAESER Service
representative.
9 Fault Recognition and Rectification
9.2 Alarm messages (machine shut-down)
52
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