Operating Instructions

Warning Codes
Digital Keypad RT-KEYPAD
269 | 443
Cause
Corrective Actions
Check if the ambient temperature or
temperature inside the cabinet is too high,
or if there is obstruction in the ventilation
hole of the control cabinet.
Check the ambient temperature.
Regularly inspect the ventilation hole of the control cabinet.
Change the installed place if there are heating objects, such as brake resistors, in the
surroundings.
Install/ add cooling fan or air conditioner to lower the temperature inside the cabinet.
Check if there is any obstruction on the
heat sink or if the fan is running
Remove the obstruction or replace the cooling fan.
Insufficient ventilation space
Increase ventilation space of the drive.
Check if the drive matches the
corresponded loading
Decrease loading.
Decrease the carrier wave.
Replace with a drive with larger capacity.
The drive has run 100% or more of the
rated output for a long time
Replace with a drive with larger capacity.
ID No.
Display on LCD Keypad
Warning Name
Description
11
PID feedback error (PID)
PID feedback loss (warning for analog feedback signal; works only
when PID enables)
Action and Reset
Action level
When the analog input is lower than 4 mA (only detects analog input 4–20 mA)
Action time
Pr.08-08
Warning setting parameter
Pr.08-09
0: Warn and continue operation
1: Fault and ramp to stop
2: Fault and coast to stop
3: Warn and operate at last frequency
Reset method
Auto
Warning occurs when Pr.08-09=0 or 3. The Warning automatically clears when the
feedback signal is larger than 4 mA.
Manual
Error occurs when Pr.08-09=1 or 2. You must reset manually.
Reset condition
Immediately reset
Record
Records when Pr.08-09=1 or 2 (Error).
Does not record when Pr.08-09=3 (Warning).
Cause
Corrective Actions
Loose or broken PID feedback wiring
Tighten the terminals again.
Replace with a new cable.
Feedback device malfunction
Replace with a new feedback device.
Hardware error
If the PID error still occurs after checking all the wiring, return to the factory for repair.