Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 284)

If there is a problem with the entered time, the operator will indicate “Input error” and the screen will return to the time setting
display.
Canceling the Input
Pressing the ESC key will display “Aborted” on the operator, and no value will be saved to the RTC. Pressing OFF will abort
the setting process without any display, and no setting changes will be saved to the RTC.
Exiting from the Time Setting Screen Without Making Any Changes
If no changes are entered, the display will exit Real Time Clock Adjustment Display after a few seconds and no changes will
be saved.
n Manual Clock Adjustment by Setting Z1-37 to 1
If time and date stamps are required by the user for faults and other data, the Real-time clock will need to be set upon receipt
of the bypass or after HOA keypad battery replacement.
Refer to Z1-37: Set Time on page 214 for details on parameter Z1-37.
The following actions are possible in the Clock Adjustment Mode:
• Set the current time
• Check the time set to the drive Real-Time Clock
Table 7.6 illustrates how to set the Real-Time Clock manually.
Table 7.6 Manual Clock Adjustment Procedure
Procedure Display
1
Use the up and down arrow keys to scroll through display menu until the screen shows
“Programming”.
DRV-OFF
Programming
DATA HELP
2 Press the ENTER key to enter select the parameter setting mode.
DRV-OFF
A1-06=0 *0*
General
Application Sel
DATA HOME
3 Use the up and down arrow keys to scroll through display menu until parameter Z1-37 appears.
DRV-OFF
Z1-37= 0 *0*
Set time
Maintenance
4 Press the ENTER key until “0” flashes.
DRV-OFF
Z1-37= 0 *0*
- -
“0”
Set time
5 Press the up arrow key so that the display changes to “1”.
DRV-OFF
Z1-37= 1 *0*
Set
“0”
Set time
6
Press the ENTER key and the time setting screen will appear. Use the right arrow key to select
the desired digit, then set the correct date and time using the up and down arrow keys.
20 1 0/01/01 00:00
Second per month
+ 0 sec
YYYY/MM/DD HH:MM
7 After entering the correct time, press the ENTER key to save the changes.
Entry Accepted
7.4 HOA Keypad Battery Replacement
284 YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual