If Other Than An Alarm Code Is Displayed - Fuji Electric FRENIC-HVAC User Manual

Possible Causes
(6) The function code is not
applicable to quick setup.
(The function code to be
changed does not display.)
(7) Function code settings are
protected with a password.
(It is not possible to display the
Function Code Settings screen.)
(8) The code cannot be changed at
the Function Code Settings
screen.
("Change this in dedicated
menus." appears.)
(9) Terminal command RST is ON.
(Function code P04 data cannot
be changed.)

9.5 If Other than an Alarm Code is Displayed

[ 1 ] – – – – (center bar) appears
Problem A center bar (– – – –) appeared on the LCD monitor.
Possible Causes
(1) With the PID being enabled (J01 =
1, 2, or 3), you disabled PID
control (J01 = 0) when the LCD
monitor had been set to display the
PID command or PID feedback
amount by pressing the
(2) The keypad was poorly connected.
[ 2 ] OVER+ / OVER- Display
Problem The display data exceeds the maximum number of display digits. (OVER+: positive value,
OVER-: negative value)
Possible Causes
(1) The display data has
overflowed.
What to Check and Suggested Measures
Check whether Quick Setup (PRG > 0) is open. This menu displays
only specific function codes that have been selected beforehand.
 Change the relevant function code at PRG > 2(Function code) >
1(Data Set). All function codes appear in this menu.
 Add the function code for which quick setup is to be performed at
PRG > 5(User Config) > 1(Select Q.Setup). (Display the function
code and then change the data.)
Check whether a password has been set.
 Delete the password at PRG > 5(User Config) > 2(Password). Refer
to Chapter 5, Section 5.6.6.2 for details on how to delete the
password.
Settings cannot be changed from function codes for which dedicated
menus exist (T codes, certain K codes).
 Display function codes and change data at the dedicated menus for
PRG > 1(Start-up) > 3(Date/Time) Clock Setting or function code
PRG > 2(Function Code) > 5(Timer Setup) Timer Operation.
Check the data for function codes E01 through E07, E98, and E99, and
use the keypad to check the input status by performing an I/O check
from the menu.
 Turn OFF the digital input terminal alarm reset command RST.
What to Check and Suggested Measures
Make sure that when you wish to view a PID command or a PID
feedback amount, J01 (PID control) is not set to "0: Disable."
 Set J01 to "1: Enable (Process control normal operation)," "2:
Enable (Process control inverse operation)," or "3: Enable
(Dancer control)."
key.
Prior to proceed, check that pressing the
display on the LCD monitor.
Check continuity of the extension cable for the keypad used in
remote operation.
 Replace the cable.
What to Check and Suggested Measures
Please verify the settings of the corresponding function.
9-33
9.4 Nothing appears on the monitor
key does not change the