MR 150M–1050M SINGLE – MXIII CONTROLLER
MAINTENANCE
45
TROUBLESHOOTING CONTROLLER
EXAMPLE ERROR SCREENS
CAUSE
CORRECTION
A. Any or all of two or more units programmed with the same unit number
(Matching Address Error)
A. Connect the communication cables and/or replace.
B. Flashing/blinking display.
B. Power outage has occurred.
C. Format Mismatch (Units have both U.S. and Metric Formats)
C. Verify all units have same Format selected (all U.S. or all Metric)
D. No messages displayed/small black squares appear in display
D. Turn the contrast button on the back of unit until text appears (see “Prob-
lems Viewing Display/Changing Contrast of Display” below)
E. Size Error (Units not correctly numbered/more than one unit has the same
number assigned)
E. Check each unit and verify each as the correct number, and that only one
unit has that number
F. Com Error (Communication Error)
F. Check the wiring of the system and verify it is correct and that all are con-
nected
Detected Error
1. Go through Master Programming to program the unit.
No Message #1
1. Make sure all communication cables are connected.
2. If “No Message #1” ensure it is the lead unit.
3. Ensure #1 is configured for the correct system type.
No Message #3
1. Make sure all communication cables are connected.
2. If “No Message #3” ensure it is unit #3.
3. Ensure #3 is configured for the correct system type.
Program Mismatch
1. Ensure the units on the network are not configured the same as #1/the
Lead unit.
Exceed Unit Size
1. There are more units on the system than the Lead is programmed for.
Matching Address
1. The unit is programmed the same # as another unit.
NOTE: The rest of the system will still function without this unit.