1.
Check Motor Overload Circuits
2.
With power on, check the trip indicator LED on the
overload. If indicator is orange, press the Reset
Button to reset the overload circuit. Retest the
Machine.
Overload Relay Light OFF
Contactors
Overload
Relays
Reset Button. Fac-
tory set on the ''H''
Setting.
Test or Stop
Trip Indicator
Factory Set Current
Rating Adjust
E-Stop Light OFF
Check to see the if any E-Stop buttons are pulled out.
NOTE:
Location and quantity of E-Stop buttons varies
depending on customer need. Typical locations for E-
Stop buttons are near the Rear Access Gate and near
the Tool Changer Access Gate
Stop Light OFF
Check for 110 VAC between #2 and #4 If there is
voltage, press the Start button. If no voltage, check
the Stop button to make sure it is all the way out and
not stuck in, then check the contact to make sure it is
closed. If still no voltage, check the wiring.
Troubleshooting Electrical Problems
6-10
KVAL 990-HB Operation / Service Manual
Summary of Contents for 990-HB
Page 4: ...KVAL 990 HB Operation Manual ...
Page 25: ...Safety Sign Off Sheet 1 17 KVAL 990 HB Operation Service Manual ...
Page 26: ...Safety Sign Off Sheet 1 18 KVAL 990 HB Operation Service Manual ...
Page 66: ...Diagnostic Screen 2 40 KVAL 990 HB Operation Service Manual ...
Page 84: ...Calibration of the Back Section 3 18 KVAL 990 HB Operation Service Manual ...
Page 88: ...System IT Administration 4 4 KVAL 990 HB Operation Service Manual ...