70 Section 5 Decision-Makerr 550 Controller TP-6356 4/12
The controller receives input signals from several
senders/sensors that provide fault warnings and
shutdowns that can be tested for proper function.
Simulating these conditions may be helpful in
troubleshooting the generator set. Refer to Section
8.22, Fault Warning and Shutdown Testing.
Go to Menu 20, Factory Setup and verify that the
application software (code version) is correct for the
generator set model and alternator voltage. Use the
respective controller operation manual for details
regarding Menu 20, Factory Setup.
TP-6083 for code versions prior to 2.10.
TP-6200 for code versions 2.10 or higher.
5.2 Request and Error Messages
Note: When EEPROM errors occur or initializing the
EEPROM is required, contact an authorized
distributor/dealer.
Request and Status Messages
Display messages require the user to enter additional
data, confirm the previous entry or require time to
process as described below.
Entry Accepted appears for several seconds after
pressing the Enter key during the programming mode.
The display then shows the new data.
Initialize EEPROM? Prompt to confirm the EEPROM
initialization.
Reset Complete indicates the user has successfully:
D Reset the maintenance records or
D Restored the AC analog inputs to the default settings.
D Restored voltage regulator settings to the defaults.
Right Arrow → directs the user to the next menu. The
menus loop; press the right arrow key to move to the
next menu.
Setup Complete indicates the completion of the analog
input setup.
Setup Locked appears when user attempts to change a
value or perform a function available only when the
system is unlocked.
Setup Unlocked appears when user has unlocked the
system for maintenance or troubleshooting.
(Question) ? asked by the control firmware; answer the
question by pressing the yes/no, numeric digit, or
am/pm key.
Wait for System Reset (6 Sec) appears while the
EEPROM initializes.
Error Messages
When an error message appears, the entered
information is not within the allowable parameters set by
the control firmware or is not permitted as described
below. In cases where the data was outside the
parameters, press the Reset Menu key and enter the
corrected information.
Access Denied appears when the user attempts to:
D Enter data prohibited by the master switch position,
D Enter data prohibited by the generator set state, or
Access Denied Idle Mode Active appears when the
user attempts to modify the voltage regulator setup
while the idle mode is active.
Alarm Active appears when the user attempts to modify
an analog or digital input that is active. See
Menu 9—Input Setup.
Cannot Change (because the) NFPA is Enabled
appears when the user attempts to modify an RDO
setting that is a NFPA 110 default requirement.
Cannot Change Preset appears when the user
attempts to change the factory preset analog input,
digital input, or input parameter.
EEPROM Write Error appears when a component
failure occurs. Contact an authorized distributor/dealer.
Entry Unacceptable appears when the user attempts
an invalid input to the voltage regulator setup.
Some alternators are intended to operate within a
specific, limited range of conditions (voltage, frequency,
and phase or connection). The following error messages
can appear when attempts are made to enter system
values that do not match acceptable conditions for the
particular alternator.
D Fixed Frequency when entry is beyond the range of
limited entries for the respective alternator. Occurs
when the alternator is not rated for the value entered.
Updated parameter files may be available by
contacting an authorized service dealer/distributor.
D Fixed Phase when entry is beyond the range of
limited entries for the respective alternator. Occurs
when the alternator is not rated for the value entered.
Updated parameter files may be available by
contacting an authorized service dealer/distributor.
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