Excessive Pid Feedback; Pid Feedback Loss; Hardwire Baseblock Signal Input; Hardwire Baseblock Input Signal Open - YASKAWA V1000 Series Installation & Start-Up Manual

5.5 Alarm Detection
Multi-function contact inputs
are set incorrectly.
LED Operator Display
FbH
Cause
Parameters settings for b5-36
and b5-37 are incorrect.
PID feedback wiring is faulty. Correct the wiring.
Feedback sensor has
malfunctioned.
Feedback input circuit is
damaged.
LED Operator Display
FbL
Cause
Parameters settings for b5-13
and b5-14 are incorrect.
PID feedback wiring is faulty. Correct the wiring.
Feedback sensor has
malfunctioned.
Feedback input circuit is
damaged.
LED Operator Display
Hbb
Cause
Internally, both Hardwire
Baseblock channels are
broken.
There is no signal at terminal
H1.
210
• Check if the unused terminals have been set for
H1- = 20 to 2F (External Fault).
• Change the terminal settings.

Excessive PID Feedback

The PID feedback input is higher than the level set in b5-36 for longer than the time
set in b5-37, and b5-12 is set to 1 or 4.
Check parameters b5-36 and b5-37.
Check the sensor and replace it if damaged.
Replace the drive.

PID Feedback Loss

The PID feedback input is lower than the level set in b5-13 for longer than the time
set in b5-14, and b5-12 is set to 1 or 4.
Check parameters b5-13 and b5-14.
Check the sensor and replace it if damaged.
Replace the drive.

Hardwire Baseblock Signal Input

Hardwire Baseblock input signal open.

Replace the drive.
Check the wiring of terminal H1.
Check if the PLC signal is set correctly.
YASKAWA ELECTRIC TOEP C710606 09B YASKAWA AC Drive V1000 Installation & Start-Up Manual
Minor Fault Name
Possible Solutions
Minor Fault Name
Possible Solutions
Minor Fault Name
Possible Solutions
YES
Minor Fault
Output
(H2- = 10)
YES
YES
YES
YES
Minor Fault
Output
(H2- = 10)
YES
YES
YES
YES
Minor Fault
Output
(H2- = 10)
YES
YES