SCREW AIR COMPRESSOR OPERATOR’S MANUAL TM356-10270
English
18
Code 1641003212 - Edition 10/2020
O/A FILTER LIFE END
terminates.
HIGH TEMPERATURE
14.2.3 Protection Functions of Controller
The air compressor controller provides all-round protection functions of short-circuit, locking, phase
failure, overload, imbalance for motor.
When the element outlet temperature is higher than the upper limit of set temperature,
the controller will stop the machine,The display will show
HIGHT T
When three-phase supply phase sequence connected to the air compressor is not the same with that
set for the controller
PHASE REVERSAL
as a result, the controller cannot
start up the motor. Then just change any arbitrary two-phase power lines leading to check the rotation
of motor.
When the air discharge pressure is higher than the upper limit of set pressure, the controller will stop
HIGH P
When pressure sensor or temperature sensor is disfunctional, the controller will stop the machine. the
**SENSOR FAULT
14.2.4 Removal of Common Failures
Electronic
failure
Failure Display
Reason
Short circuit
Wrong setting of short circuit or rated
current
Blocked
Too large load, bearing wear and other
mechanical failure
Overload
Too large load, bearing wear and other
mechanical failure
Phase
failure
Power supply, contactor or phase failure
of motor
Unbalance
Poor contact of contactor, inside open-
loop of motor
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