WSTECH APS Series - APS Warning Codes and Corrective Actions

Original Operating Instructions
APS Series – Outdoor Hybrid Inverter
Troubleshooting
APS-Series 120 Operating Instructions v320 EN
Page 135 of 213
7.2 APS Warning Codes
Table 23: Extract of APS Warning Codes
Code
Warning Description
Corrective Action
1
APU 1 / 2 cooling fluid low
Fill up cooling fluid
2
APU 3 / 4 cooling fluid low
Fill up cooling fluid
5
AC surge arrester tripped
Replace AC surge arrester
6
DC surge arrester tripped
Replace DC surge arrester
10
APU 1 / 2 insulation level 2
Check insulation
11
APU 3 / 4 insulation level 2
Check insulation
13
APU 1 / 2 insulation level 1
Check insulation
14
APU 3 / 4 insulation level 1
Check insulation
29
APU 1 powerlink
Check Powerlink-Cable
30
APU 2 powerlink
Check Powerlink-Cable
31
APU 3 powerlink
Check Powerlink-Cable
32
APU 4 powerlink
Check Powerlink-Cable
54
APU1/2 Insulation Monitoring (pos.
ground)
Check Feedback pos. Ground
55
APU3/4 Insulation Monitoring (pos.
ground)
Check Feedback pos. Ground
56
APU1/2 Insulation Monitoring (neg.
ground)
Check Feedback neg. Ground
57
APU3/4 Insulation Monitoring (neg.
ground)
Check Feedback neg. Ground
58
APU1/2 extern Insulation Monitoring
Check Feedback ext. IMD
59
APU3/4 extern Insulation Monitoring
Check Feedback ext. IMD
69
USB-Device failed
Check USB-Device