Haier 1UH071N1ERG [194/238] Smart power

Haier 1UH071N1ERG [194/238] Smart power
192
Smart Power
4.6 Power module error code checking for 1UH160P1ERG
1. Explanation of LED
LED Model Explanation of LED display Position of Led
LED 3 (Red)
Flashing fast : driver works normally.
Flashing (on,0.5s, off, 0.5s, then
off for 3 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 3
(Red)
Flashes n times,
off 3s; (n is the
error code)
Needs to keep the
error information
2.5min, then ERROR
Recovery
3. Protection error lists
Error code
Hardware/software
protection
Error detail Protection Level
Error
symbol
1 Hardware
Inverter side hareware momentary over-
current
/ 04H
2 Software
Inverter side momentary over-current
detection
45A 08H
3 Software Heat sink temperature abnormal
95°C protection, 90°C
recovery
0CH
4 Software Over-load / 10H
5 Software Under-voltage detection 160VDC 14H
6 Software Over-voltage detection 430VDC 18H
7 Software Serial communication abnormal detection / 1CH
8 Software
Inverter side current detection circuit
abnormal
/ 20H
9 Software Momentary power failure detection 24H
10 Software Control board power supply abnormalily / 2CH
11 Software Loss of synchronism detection / 38H
12 Software Temperature sensor abnormality / 40H
13 Software Start fault / 50H
Appendix A Protection function logic and protection level

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