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Troubleshooting - Honeywell ControLinks S7999 Product Data

Display module

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S7999 CONTROLINKS™ DISPLAY MODULE

TROUBLESHOOTING

After the DM is installed, return the ControLinks™ to normal
operation and restore power. For complete Troubleshooting
and System Checkout information, see form 65-0238.
NOTE: If the DM display is scrambled, cycle the power to
the DM and reset the R7999 by pressing the Reset
button on the controller.
ControLinks™ System Diagnostics
Troubleshooting control system equipment failures is made
easier with the S7999 ControLinks™ Display Module, which
provides diagnostics and annunciation. The S7999 will display
total cycles, run time, inputs/outputs, motor settings,
configuration settings and fault history.
Historical Information
The S7999 ControLinks™ displays historical information for
the six most recent faults. H1 is the most recent and H6 is the
oldest fault that has been stored in the historical information.
the fault code, fault description, operating status when the
fault occurred, and cycle at which the fault occurred will be
displayed for each historical file.
Fault Messages
There are three conditions that cause a fault message to be
displayed:
• Lockout.
• Alarm Hold.
• Normal Operation with Fault.
The S7999 will cycle through three messages on the display
module second line when a fault is present:
1. Main display showing current rate and motor positions.
2. Fault code.
3. Fault message with fault code description.
Fig. 7 through 9 show a lockout condition that illustrates the
three display module messages.
Pressing the scroll or toggle buttons will suspend the cycling
of the fault messages until either the buttons are used to
return to the main display or 60 seconds elapse with no
buttons pressed.
Special Condition Displays
Seven special condition display can be shown that preclude
normal system operation, as described below:
1. Waiting for Connection —the display shows waiting for
connection and the software revision of the display.
Check wiring and connection.
2. Incompatible Device —the display software revision
and R7999 software are incompatible. Upgrade the
S7999 software.
3. Not Commissioned —the R7999 has not been
commissioned. Commission the R7999.
4. Low Voltage Hold —the R7999 supply voltage is below
the minimum requirements. Check the R7999 voltage
supply.
65-0262
5. Factory Test Mode —the R7999 is in the factory test
mode. Replace the R7999.
6. Commissioning —the R7999 has not been completely
commissioned. Complete the commissioning process.
7. Waiting for Valid Fuel Selection —the R7999 does not
have a valid fuel selection. Check for proper fuel
selection and that only one fuel has been selected.
Fig. 7. Second Line—main display.
.
Fig. 8. Second Line—fault code.
Fig. 9. Second Line—fault message.
NOTE: For further explanation of Lockout Messages,
Troubleshooting and Checkout, refer to form
65-0238, R7999A,B ControLinks™ Controller.
10
M20040
M20038
M20039

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