Hanshin Machinery GRH 3 series, Руководство пользователя

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5. Abnormal temp. sensor , trip
Causes: temperature sensor fault
Checkpoint: Check sensor cable connection, sensor cable
disconnection and sensor. Take a measure by referring to
the following figure.
How to reset: After taking a measure, press [STOP] button of Micom.
Check whether the connector is
correctly inserted to
Check any disconnection of sensor
cable in
Check any disconnection of sensor cable
in
Temperature
sensor
6. Pressure sensor fault, trip
Causes: pressure sensor fault
Checkpoint: Check sensor cable connection, sensor cable
disconnection and sensor. Take a measure by referring to
the following figure.
How to reset: After taking a measure, press [STOP] button of Micom.
Check whether the connector is
correctly inserted in
Check whether the sensor cable is
disconnected in
Check whether the signal cables in
and are connected
7. Abnormal ANSWER, trip
Causes: abnormal auxiliary contact point(13-14) of 42/52 magnet
Checkpoint: check the 42/52 magnet auxiliary contact point inside the
electrical box.
The compressor can work normally as long as 42(13-14)/
52(43-44) terminal is on.
How to reset: press [STOP] button of Micom.
Check the auxiliary contact point of
42/52 magnet with a tester. Press the
push busson on the center of the
magnet. Then, when pressing the push
button, 13-14 fo 42 and 43-44 of 52
should allow the electricity.
Manual push button
Inside the electric box
GRH3 star-delta
User’s Manual
Micom PCB