Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 31)

YASKAWA TOEP YAIZ1D01A Z1000U Matrix Bypass Quick Start Procedure
Z1000U Bypass
Quick Start Procedure
Page 31
of 37
Problem/Symptom Solution
Drive Will Not Start
AUTO LED is OFF and DRV-OFF on HOA Keypad
Bypass is not in AUTO
DRV-OFF
is displayed and
AUTO key LED
is OFF. DRV-OFF
Press to put the bypass in AUTO Mode.
Set Z1-06 to 1 (Power-Up Mode is AUTO-DRIVE) and cycle power to put
the bypass in AUTO Mode at power-up.
Problem/Symptom Solution
Drive Will Not Start
AUTO LED Is Blinking Green and WAIT FOR RUN is
displayed on the HOA Keypad
Verify Bypass Control Board circuit TB2-1 to 10 is closed.

Troubleshooting (continued)
12
STEP