Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 114)

u ALARM (ALM) LED Displays
Table 4.3 ALARM (ALM) LED Status and Contents
State Content Display
Illuminated When the drive detects an alarm or error.
Flashing
• When an alarm occurs.
• When an oPE is detected.
• When a fault or error occurs during Auto-Tuning.
Off Normal operation (no fault or alarm).
u AUTO LED and HAND LED Indications
Table 4.4 AUTO LED and HAND LED Indications
AUTO LED HAND LED State
AUTO
Off
HAND
Off
OFF mode
AUTO
Off
HAND
On solid
HAND mode
AUTO
Off
HAND
Long blink (50% duty)
HAND mode when the Frequency Reference is 0 and/or decelerating in HAND mode.
AUTO
On solid
HAND
Off
Running in AUTO mode
AUTO
Long blink (50% duty)
HAND
Off
Running in AUTO mode when the Frequency Reference is 0 and/or decelerating in AUTO
mode.
AUTO
Short blink (15% duty)
HAND
Off
AUTO mode, Ready, No run command input.
AUTO
Double blink
HAND
Off
AUTO mode, stopped by a Fast- Stop from a Multi-Function Digital Input.
Flashing
ON ON
ON
ON ON
ON
1 s
Flashing
quickly
Figure 4.3 AUTO LED and OFF LED Status and Meaning
4.2 Using the HOA Keypad
114 YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual