Haier FlexFit Pro Series Service Manual page 80

4.3 Power Module Error Codes for 1U24LP2VHA
1. Drive Status Indication
LED
LED 601 (GREEN )
2. Protection function
Protection style:
Protection style
When voltage, temperature, or current
reach the limit of the protection level,
Shutdown protection
the unit will shut off, and the LED will
display the error code.
3. Shutdown Protection Error Codes
Hardware/software
Error code
protection
1 Software
2 Software
3 Software
4 Hardware
6 Software
7 Software
8 Software
9 Software
10 Software
11 Software
12 Software
13 Software
14 software
15 Software
16 Software
19 Software
20 Software
21 Software
22 Software
23
24
25
27
30
Appendix A Protection function logic and protection level
1U36LP2VHA
LED display Description
Flashing (on 1s, Off 1s) : Drive is
operating normally Flashing (on
0.25s off 0.25s, flashes n times and
then off 2s as a period) : Module
board failure
Explanation
Error Detail
PIM module overheat
PIM temperature sampling failure
Overcurrent protection when limit frequency
Hardware protection PIM_INT
DC under voltage
DC high voltage
Communication error
Output lack of phase
Preset
U phase overcurrent
Compressor is out of step
V phase overcurrent
W phase overcurrent
Compressor startup failure
Phase current sampling failure
AC input under voltage
AC input overvoltage
AC input overcurrent
Input current sampling failure
Preset
Preset
Preset
Preset
Preset
76
Module board
LED display
LED
Description
Flashes n times,
LED 601
off 2s; (n is the
(GREEN)
error code)
Protection Level
105°C and continued 5s
PIM_INT
180V
390V
155V
280V
FlexFit Pro
LED position
ERROR Recovery
Needs to keep the
error information
2min, then ERROR
Recovery
Error
symbol
01H
/ 18H
/ 02H
04H
05H
06H
/ 07H
/ 16H
/ /
40A 0AH
/ 0EH
40A 0CH
40A 0DH
/ 0FH
/ 09H
11H
12H
35A 13H
/ 08H