511010 Rev. 07-01-19
Power Up Troubleshooting
6-1
6.
Power Up Troubleshooting
6.1
Faults without Fault Messages
There are several possible failure modes that render the Executive processor and the
Control Panel touch screen inoperative. Failure of these systems will not result in any
helpful hints about the possible source of failure. This section lists the known failures
that will render the RLS inoperative without telling you why.
6.1.1
When the power is turned on: no motion occurs, the standby power
switch does not illuminate, the power-indicating LED on the power
supply (rear of RLS) is dark.
1.
Check that the power source is live.
2.
Check the line fuse in the AC power receptacle (turn off the RLS and remove
power cord first).
6.1.2
When the power is turned on: the Handler moves normally, the
standby power switch illuminates, the control panel touch screen is not
illuminated.
1.
The unit is in the process of updating the firmware and will recover in less than
a minute.
2.
The control panel display cable is not properly connected or the cable is dam-
aged.
3.
The control panel has failed.
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