Problem Solutions
Tank fails to heat (Continued) 7. Refer to solutions #1 through #6. If problem still
exists, replace the tank heaters. Refer to section 9 for
part and kit numbers. On melt units with Standby,
make sure Standby switch is disengaged and in the
Run position.
Tank heats slowly 1. Determine exact voltage of the melt unit. Insufficient
voltage can be the cause of these problems. Voltage
drops are common. Use a voltmeter to determine
whether sufficient voltage is supplied to the melt
unit. Also, the voltage of each melt unit component
must be compatible to the melt unit or serious
damage to the system will occur. (Refer to section
4.4, Electrical Circuits & Wiring).
2. Adjust the tank temperature controller according to
section 5.3 of this manual. Inadequate tank
temperature can affect the performance of your hot
melt system. If the tank has reached an
overtemperature condition, try turning the controller
down. A failure of the solid state relay (closed
position) can cause the tank to reach over
temperature. Check the relay’s continuity – failure of
the relay is rare. If problem persists, replace the
faulty component (controller or relay). On units with
Standby, make sure Standby switch is disengaged
and in the Run position.
3. Refer to Solutions #1 through #6. If problem still
exists, replace the tank heaters. On melt units with
Standby, make sure Standby switch is disengaged
and in the Run position.
© Copyright Astro Packaging 2009 KB30, KB50 and KB100 Series Hot Melt Units 19600-159 Rev. A 04/09/09 29
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