LiteOn EVO 6800 Series, Manual

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Chapter 7│Retain
Chapter 8│Troubleshooting
8.1 Alarm and Fault Displays
Table 8.1 Alarm and Fault Displays, Causes, and Possible Solutions
Keypad
Display
Fault Name Cause Possible Solution
EF0 Retain
EF1 to
EF
External Fault
( Input Terminal S1 to
S7 )
1. An external device
tripped an alarm
2. Incorrect wiring
3. Multi-function input
wiring is not correct
1. Remove the cause of the
external fault then reset the
multi-function input.
2. Confirm if the signal lines is
properly connected to the
terminals assigned for external
fault detection (E1-口口= 23 to
38)
3. Confirm if E1-口口=23 to 38 is
set to the unused terminals.
FbH
PID Feedback High
PID feedback input is
greater than the
detection level set to
b5-22 for longer than
the detection time set to
b5-23 1. b5-22 andb5-23
inappropriate setting
2. PID feedback wiring
incorrect
3. Feedback sensor
malfunction
4. Feedback input circuit
malfunction
1. Confirm b5-22 and b5-23
settings
2. Correct the wiring
3. Replace the sensor if it is
damaged
4. Replace the PCB or drive.
Contact the local distributor.
FbL
PID Feedback Low
When the PID feedback
detection is enabled in
b5-11, a FbL will be
1. Inappropriate setting in
b5-12 and b5-13
2. Incorrect PID feedback
wiring
3. Feedback sensor 1. Correct b5-12 and b5-13
settings
2. Correct the wiring
3. Replace the sensor if it is
damaged