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6F3A4768
Fig. 4.3.3 shows the overall screen transitions. Screen switching basically takes place at three-minute intervals.
Pressing FAULT REST for five seconds triggers one operation.
When the power supply is turned on, the model name and software version are displayed for three seconds,
respectively. Then the display mode is entered and the display is automatically switched between operation data
display, operation preparation display, and FI (FIrst Fault) display, in accordance with the READY, ALARM and
FAULT occurrence status.
If the READY condition is satisfied and ALARM is detected, the operation data display continues and the
operation preparation indication is shown cyclically. When a FAULT occurs, FI display appears.
Operation data display:
Operation data is shown in units of %.
Operation preparation display: The sequence signals that are not satisfied are indicated with a code number.
FI display: The fault sequence signals are indicated with code numbers in order of occurrence.
POWER ON
Equipment model name
displayed
Display mode
FI display
FI call display
Test display
Operation data display
READY
established?
FAULT occurred?
Operation preparation display
Y
N
Y
N
Y
N
Y
N
Y
Y
Y
N
N
FAULT RESET on or left
longer than 1 minute?
ALARM exists?
Yes/No answer
Screen
FAULT RESET on?
N
Y
Electrical condition
(UV) not established
yet?
Software reset operation
Count down
Software reset execution
Y
N
N
FAULT RESET on
longer than 5 s?
FAULT RESET on
longer than 10 s?
Y
FAULT RESET on
longer than 15 s?
FAULT RESET on
longer than 20 s?
<Display Mode>
Fig. 4.3.3 Entire Configuration of Display Screens
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