Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 112)

u LCD Display
5
3
1 2
6
]
4
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7
Figure 4.2 LCD Display
Table 4.1 Display and Contents
No. Name Display Content
1 Bypass/Drive Status Display
DRV
(not
blinking)
Displayed when In Drive Mode. The bypass will run in Drive Mode when a Run command is present.
DRV
(blinking)
Displayed when in Drive Mode, but a condition is making the bypass run in Bypass Mode.
BYP
(not
blinking)
Displayed when in Bypass Mode. The bypass will run in Bypass Mode when a Run command is
present.
In a three-contactor bypass, drive input contactor K1 is open and the drive will be powered down.
BYP
(blinking)
Displayed when in Bypass Mode with Drive Test Mode set. The bypass will run in Bypass Mode
when a Run command is present.
In a three-contactor bypass, drive input contactor K1 is closed and the drive is powered on.
2 Bypass Status Display
POWERUP Displayed when the bypass is powering up.
OFF Displayed when no Run command is present and the safety circuit is closed.
WAIT_FOR
_RUN
Displayed when Run is requested, the safety circuit is closed, and the bypass is waiting for Run input.
SAFETY
OPEN
Displayed when the safety circuit input is open.
INTRLOCK
OPN
Displayed when a Run command is present, the safety circuit is closed, but the Interlock input is open.
PRE RUN
DRIVE
Displayed when the bypass is running in the Pre-Run State at the programmed frequency for the
programmed time.
RUN
DRIVE
Displayed when running in Drive Mode.
RUN
BYPASS
Displayed when running in Bypass Mode.
RMOT
XFER EN Displayed when running in Remote Transfer.
SMOK PRG
BYP
Displayed when running in Smoke Purge Bypass.
SMOK PRG
DRV
Displayed when running in Smoke Purge Drive.
4.2 Using the HOA Keypad
112 YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual