Delta CFP2000 Series User Manual page 458

ID No. Display on LCD Keypad
9
Action level
Action time
Warning setting parameter
Reset method
Reset condition
Record
Cause
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 if there is any obstruction on
the heat sink or if the fan is running
Insufficient ventilation space
Check if the drive matches the
corresponded loading
The drive has run 100% or more of
the rated output for a long time
Warning Name
The AC motor drive detects over-heating of IGBT, and
IGBT over-heating over the protection level of oH1 warning. (When
warning (oH1) Pr.06-15 is higher than the IGBT over-heating level, the
drive shows oH1 error without displaying oH1 warning.)
Action and Reset
Pr.06-15
"oH1" warning occurs when IGBT temperature is higher than Pr.06-15 setting
value.
N/A
Auto-reset
The drive auto-resets when IGBT temperature is lower than oH1 warning level
minus (–) 5°C
N/A
1. Check the ambient temperature.
2. Regularly inspect the ventilation hole of the control cabinet.
3. Change the installed place if there are heating objects, such as braking
resistors, in the surroundings.
4. Install/ add cooling fan or air conditioner to lower the temperature inside the
cabinet.
Remove the obstruction or replace the cooling fan.
Increase ventilation space of the drive.
1. Decrease loading.
2. Decrease the carrier.
3. Replace with a drive with larger capacity.
Replace with a drive with larger capacity.
13-7
Chapter 13 Warning CodesCFP2000
Description
Corrective Actions