YASKAWA Z1000U Technical Manual page 81

No. Name
2 Bypass Status Display
3 Data Display
Frequency
Reference
4
<1>
Source
HAND/OFF/AUTO
5
<2>
(Run or Stop) Display
Function Key 2
6
(F2)
Function Key 1
7
(F1)
<1> Displayed when in Frequency Reference Mode.
<2> Displayed when in Frequency Reference Mode and Monitor Mode.
u
Bypass Control Board LEDs
The bypass control board has six bi-color LEDs.
The operational states of the bypass LEDs after completion of the power-up diagnostic LED sequence are described in
4.2. Wait at least 2 seconds for the power-up diagnostic process to complete before verifying LED states.
Name
MS
NS
ST1
ST2
ST3
ST4
YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual
Display
AUTO
Displayed when running in Auto Transfer, a fault was detected and switched to Bypass Mode.
XFER EN
ENRGY
Displayed when running in Energy Savings Mode
SAVEN
MTR
Displayed when fault is removed but motor is still ramping down.
STOPPING
FAULTED Displayed when a fault has been detected causing motor output contactors to open.
— Displays specific data and operation data.
OPR Displayed when the frequency reference source is the HOA keypad.
Displayed when the frequency reference source is the MEMOBUS/Modbus Communication Inputs
COM
of the drive.
OP Displayed when the frequency reference source is an option card connected to the drive.
AI Displayed when the function reference is assigned to an analog input.
OFF Displayed when HAND mode is OFF.
RSEQ Displayed when the Run command is supplied from a remote source in OFF or AUTO Modes.
LSEQ Displayed when the Run command is supplied from the operator keypad in HAND Mode.
RREF Displayed when the Run command is supplied from a remote source in OFF or AUTO Modes.
LREF Displayed when the Run command is supplied from the operator keypad in HAND Mode.
DATA
F2
Pressing scrolls to the next display.
→
F2
Pressing scrolls the cursor to the right.
DRV/BYP Pressing
F2
toggles selection between Bypass Mode and Drive Mode.
HELP
F1
Pressing displays the Help menu.
←
F1
Pressing scrolls the cursor to the left.
HOME
F1
Pressing returns to the top menu (Frequency Reference).
ESC
F1
Pressing returns to the previous display.
F1
Pressing selects/deselects Drive Test Mode. During Drive Test Mode, power is applied to the
RLY
drive while in Bypass Mode by forcing the drive input contactor to close (3-contactor bypass only).
Table 4.2 Bypass Control Board LED States
Description
Module Status
Network Status
ST1, Status 1
ST2, Status 2
ST3, Status 3
ST4, Status 4
Content
Color
Turns ON when transmitting
Green Turns OFF when receiving
(Internal serial communications)
Turns ON when transmitting
Green Turns OFF when receiving
(External serial communications)
Round status
Green
Toggles ON/OFF every 500 rounds
Scan status
Green
Toggles ON/OFF every 500 scans
Green Not used
Green Not used
4.2 Using the HOA Keypad
Table
Behavior
4
81