SCC MAM–200 Operation Manual page 19

User can reset the error according to the following information:
Failure
AIR T HIGH
AIR T SENSOR FAULT
AIR P HIGH
AIR P SENSOR FAULT
LACK WATER
LACK PHASE
OVERLOAD
UNBALANCE
BLOCK
SHORT CIRCUIT
WRONG PHASE SEQUENCE
Fan stopped
Overload or Rotor locking
during starting process
Main Contactor activate time
to time
04.08.2017
Causes
Bad vent condition, Oil lacking etc.
Cable off or PT1OO damaged
The pressure too high or the pressure
sensor failure
Cable off, Sensor damaged or the cable
connected reversed
Water Pressure switch damaged
Power phase lacking or the Contactor
terminal damaged
Voltage too low, tubes blocked, bearing
wear off or other mechanical failure or
wrong set data etc.
Power unbalance, contactor damaged
or the internal open of the motor
Voltage too low, tubes blocked, bearing
wear off or other mechanical failure or
wrong set data etc.
Wrong cable connection, wrong set
data
Reversed Phase sequence or phase off
Fan damaged, Contactor damaged, no
control output
Start time set too less than the star
delta time delay
The emergency button loose
Operation Manual MAM - 200 V1.0
Measurement to take
Check the vent condition and lubricant amount etc.
Checking the wiring and PT100
Check the pressure and the pressure sensor
Check the wiring and sensor transformer
Check the water pressure switch
Check the power and contactors
Check the set data, Voltage, bearings, tubes and other
mechanical system.
Check the power, contactors and the motor
Check the set data, Voltage, bearings, tubes and other
mechanical system.
Checking the wiring and set the data correctly
Check the wiring
Check the wiring and control output
Reset the host starting time to be longer than star delta delay
+ load delay time
Check the wiring
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