ibm hs22刀片在刀箱中无法识别？

ibm hs22刀片在刀箱中无法识别，提示以下报错信息：
61 ERR SERVPROC 07/13/17 02:07:32 (SN#YK11836C51HZ) Connectivity status blade 13 communication failed.
62 ERR SERVPROC 07/13/17 02:07:27 (SN#YK11836C51HZ) Blade 13 is not responding on the management bus.
请问是什么问题？