Operation Manual -
PoWerMaster®
2400 – 30 - 90 kVA
For GPUs with 28 VDC Active Rectifier Unit
Document no. 578.650BB
Page 88 of 91
14.0
Trouble Shooting & Repair
Please refer to section 9.1 for Fault Guidance
Additional 28 VDC ARU related failures:
6102
Cable 2 temperature too high
6302
EF signal drop out – Output 2
6402
90% signal drop out – Output 2
7000
Output voltage too high (>32 V – 4 sec.)
7100
Output voltage too high (>40 V – 150 ms.)
7200
Output voltage too low (<20 V – 4 sec.)
7300
Short circuit at 28 V output
7500
28 V rectifier temp. too high