Troubleshooting – LCD Messages 5-103
FlexFit – Linkageless Control – Revision 1.0
PREFERRED
UTILITIES MFG CORPORATION
TT
RR
OO
UU
BB
LL
EE
SS
HH
OO
OO
TT
II
NN
GG
Draft Servo Error
There is a problem with the servo controlling the draft damper.
1. See section "Servo Setup Troubleshooting" on page 3-49.
Internal Error
Board: # Code : #
Data: #### ####
Generally caused by electrical noise corrupting data inside a processor.
1. Write down the Board #, Code #, and the 8-digit data.
2. Press the RESET button on the LCD (or cycle power to the FlexFit).
3. If this Internal Error does not occur again, it was probably a nuisance trip.
4. If the same or similar code occurs again, please contact Preferred Instruments.
Low Draft
Draft pressure lower than "P4.1.5 Low Alarm SP, Draft" was found for longer than "P4.1.6 Alarm Delay Sec, Draft" seconds.
Low draft is a traditional, but confusing, term. For a negative draft design, it means either positive or not negative enough. For
a positive draft design, it means the pressure is higher than desirable. In either case, it could mean that the damper is not open
enough, that the ID fan is not functioning properly, or that there isn’t enough natural draft. Ensure sensor tubing is run correctly
and free of condensate.
1. Ensure sensor tubing is run correctly and free of condensate.
2. Ensure ID fan is operating properly.
3. Ensure draft damper is operating properly, freely moving.
4. Verify proper wiring from the sensor to the FlexFit terminals 180, 181, and 182.
Parameter Mismatch!
Copy FF -> Backup
Backup -> FF
The parameter data on the FlexFit and the backup copy on the LCD are out of sync.
1. You may elect to use the data on the Backup or the data on the FlexFit primary EEPROM.
Parameter Mismatch!
FlexFit loaded DEFAULT data on Boot Up
The parameter data on the FlexFit has been corrupted and defaults have been loaded.
1. Attempt to use the backup parameter data from the LCD by selecting the "Copy Backup -> FF" option.
2. Attempt to restore the parameter data from a FlexFit Edit conguration le.
Parameter Mismatch!
LCD has DEFAULT data and FlexFit loaded DEFAULT data on Boot Up
The parameter data on both the FlexFit primary and backup have been corrupted and defaults have been loaded.
You will need to restore the parameters either manually or from a FlexFit Edit conguration le.
Parameter Mismatch!
LCD has DEFAULT data
The backup parameter data on the LCD has been corrupted.
1. Attempt to restore the backup parameter data on the LCD by selecting the "Copy FF -> Backup" option.
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