IMPORTANT NOTICE
The following , and information is supplied to you for
your protection and to provide you with many years of trouble free and safe operation of your
Marathon Electric product.
• Hazard of electrical shock! Disconnect incoming power and wait three minutes before
servicing the drive. Capacitors retain charge after power is removed.
• Hazard of electrical shock! Wait three minutes after disconnecting incoming power
before servicing drive. Capacitors retain charge after power is removed.
• If CONTROL is set to LOCAL, TB-1 is disabled and CANNOT be used as a STOP switch!
Incorrect use of TB-1 may result in damage to equipment and/or injury to personnel! See
Parameter 30 - CONTROL.
• STOP (TB-1) and EXTERNAL FAULT (TB-13D) circuitry may be disabled if parameters are
reset to factory defaults! The drive must be reprogrammed after a RESET in order to
insure proper operation (see Parameter 65 - PROGRAM). FAILURE TO DO SO MAY
RESULT IN DAMAGE TO EQUIPMENT AND/OR INJURY TO PERSONNEL!
• Consult motor manufacturer before operating motor above rated frequency.
Overspeeding the motor and/or driven equipment can cause damage to equipment
and injury to personnel!
• This method requires TB-13C to be set for RUN REVERSE, which will disable TB-1 as a
STOP switch! Incorrect use of TB-1 may result in damage to equipment and/or injury to
personnel! Refer to Parameter 49 - TB13C.
• If TB-13C is programmed for RUN REVERSE, TB-1 is disabled and CANNOT be used as
a STOP switch! This is true in LOCAL and REMOTE mode. Incorrect use of TB-1 may result
in damage to equipment and/or injury to personnel! Refer to Parameter 49 - TB-13C for
more information.
• Automatic start of equipment may result in damage to equipment and/or injury to
personnel! Automatic start should only be used on equipment that is inaccessible to
personnel.
•DRIVES MUST NOT BE INSTALLED WHERE SUBJECTED TO ADVERSE ENVIRONMENTAL
CONDITIONS! DRIVES MUST NOT BE INSTALLED WHERE SUBJECTED TO: COMBUSTIBLE,
OILY, OR HAZARDOUS VAPORS OR DUST; EXCESSIVE MOISTURE OR DIRT; STRONG
VIBRATION; EXCESSIVE AMBIENT TEMPERATURES. CONSULT CUSTOMER SERVICE
FOR MORE INFORMATION ON THE SUITABILITY OF A DRIVE TO A PARTICULAR
ENVIRONMENT.
• Severe damage to the drive can result if it is operated after a long period of storage or
inactivity without reforming the DC bus capacitors!
• Do not connect incoming AC power to output terminals T1, T2, or T3! Severe damage
to the drive will result.
• DO NOT connect incoming AC power to output terminals T1, T2, and T3! Do not cycle
input power to the drive more than once every two minutes. Damage to the drive will
result.
• When operating in JOG mode, the STOP key WILL NOT stop the drive. To stop the
drive, the contact between TB-13B and TB-2 must be opened.