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80
FlexFit Pro
4.4 Power module error code checking for 1U48LP2VHA
1. Explanation of LED
LED Model Explanation of LED Display LED Location
LED 601 (Green)
Flashing (on,1s, off,1s) : driver
works normally. Flashing (on,0.25s,
off, 0.25s, flash several times, then
off for 2 seconds ) : power module
failure.
Power module
2. Protection function
Category of protection:
Category Explanation LED
LED Display
Description
Error Recovery
Shutdown protection
When the voltage, current, temperature,
etc. to meet the shutdown protection
Level, drive immediately stop output,
and LED display fault information, and
upload the error symbol
LED 601
(GREEN)
Flashes n times,
off 2s; (n is the
error code)
Needs to keep the
error information 2min,
then error Recovery
3. Protection error lists
Error Code
Hardware/software
Protection
Error Detail Protection Level
Display
Symbol
1 Software PIM module overheat 105°C and continued 5s 01H
2 Software PIM temperature sampling failure / 18H
3 Software Overcurrent protection when limit frequency / 02H
4 Hardware Hardware protection PIM_INT PIM_INT 04H
6 Software DC under voltage 180V 05H
7 Software DC high voltage 390V 06H
8 Software Communication error / 07H
9 Software Output lack of Phase / 16H
10 Software Reserved / /
11 Software U phase overcurrent 40A 0AH
12 Software Compressor is out of step / 0EH
13 Software V phase overcurrent 40A 0CH
14 software W phase overcurrent 40A 0DH
15 Software Compressor startup failure / 0FH
16 Software Phase current sampling failure / 09H
19 Software AC input under voltage 155V 11H
20 Software AC input overvoltage 280V 12H
21 Software AC input overcurrent 35A 13H
22 Software Input current sampling failure / 08H
23 Preset
24 Preset
25 Preset
27 Preset
30 Preset
32 Software PFC overcurrent of 75A 14H
34 Software PFC high voltage 430V 15H
Appendix A Protection function logic and protection level
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