Maintenance and Troubleshooting | 6-1
MAINTENANCE AND TROUBLESHOOTING
The operations in this chapter should be performed only by qualified
service personnel with a knowledge of electrical safety techniques.
There are no operator-serviceable components inside the TM2000 system.
An operator should never remove the cover from the controller or sensor.
Qualified service personnel should never service the controller or sensor
unless power has been disconnected from the controller and the sensor,
and the sensor has been allowed to cool for at least one hour. Always wear
gloves when working on sensor components.
This chapter describes Series 2000 control unit system error messages as
well as troubleshooting assistance. System and error messages appear on
the fourth line of the display at three-second intervals until the condition
is corrected or has ended. If there is more than one message, the messages
will alternate on the display at three-second intervals. These system and
error messages are listed in this appendix alphabetically to make them
easier to locate.
System or error messages will not appear on the display when you are
using the control unit keys to access menu functions.
NOTE
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