
MOTOR FAIL Indicator
The MOTOR FAIL indicator is on during improper pump rotation, motor out of phase, or thermal motor overload conditions. This is a fatal fault condition, requiring that main power be disconnected to reset the M2B controller.
5-3 Using M2B Controller Keys
SET POINT
UP
SET POINT Key
UP
Press and hold the
SET POINT
SET POINT key, then press the ![]()
DOWN
UP Arrow key to increase the set point value or press the ![]()
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![]()
![]()
DOWN Arrow key to decrease the set point value displayed on the
SET POINT LED screen.

UP Arrow Key
UP
Press the ![]()
![]()
![]()
![]()
![]()
UP Arrow key to increment or advance the values or settings on the LED screens.
DOWN

DOWN Arrow Key
DOWN
Press the ![]()
![]()
![]()
DOWN Arrow key to decrement or reduce the values or settings on the LED screens.
Important!
Do not change any of the control settings
without consulting the Sterling/Sterlco Service Department.
The Sterling, Inc. warranty does not cover TCU failures from tampering with controller settings!
6017 Series Hot Oil Large Temperature Control Units | Page 37 |