Delta EB3000 Series User Manual page 357

Chapter 9 Warning and Fault CodesEB3000
Check if the drive matches the
corresponded loading
The drive has run 100% or more of
the rated output for a long time
Models / Phase
230V /
One-phase
460V /
Three-phase
Abbreviated
ID No.
Fault Code
18 tH1o
Action condition
Action time
Fault treatment parameter N/A
Reset method
Reset condition
Record
Cause
Hardware failure
Abbreviated
ID No.
Fault Code
21 oL
Action condition
Action time
Fault treatment parameter Stops output immediately, and coasts to stop.
Reset method
Reset condition
Record
1. Decrease loading.
2. Decrease the carrier.
3. Replace with a drive with larger capacity.
Replace with a drive with larger capacity.
Frame Model Name
VFD022ED21B
A
VFD037ED21B
VFD040ED43B
A VFD055ED43B
VFD075ED43B
VFD110ED43B
B VFD150ED43B
VFD185ED43B
Display on
KPED-LE02
IGBT temperature
detection failure
AN115 (TH1 signal) > 4000
Immediately act
Manual reset
Resets manually when temperature is lower than [IGBT limits – 5°C]
Yes
Wait for 10 minutes, and then cycle the power. Check if tH1o protection still exists. If
yes, return to the factory for repair.
Display on
KPED-LE02
1. 150% of the drive's rated current
2. 200% of the drive's rated current
1. 150% of the drive's rated current: 64.5 sec.
2. 180% of the drive's rated current: 4.8 sec.
Manual reset
1. OL_Count: resets after 5 sec.
2. Energy Count: relates to output current
3. Resets after 5 seconds when software checks that output current is smaller than
270% of the drive's rated current
Yes
oH1 Fault Level
85
90
90
90
95
100
110
110
Fault Name
IGBT hardware failure in temperature
detection
Action and Reset
Corrective Actions
Fault Name
The drive overloads, and the output current
exceeds the drive's allowable current value.
Sustains for 64.5 seconds when the drive
Overload
outputs 150% of the drive's rated current.
Sustains for 4.8 seconds when the drive
outputs 200% of the drive's rated current.
Action and Reset
9-26
oH1 Warning Level oH1 Reset Level
oH1 Fault Level-5
OH1 Warning
or
Pr.04-55
Description
Description
<Go to List of Fault Codes>
Level -5