CN1610 cluster interconnect switch shuts down due to high temperature

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Category:: fabric-interconnect-and-management-switches

Specialty:: hw

Last Updated:

Applies to

CN1610 cluster switch
ONTAP 9

Issue

The CN1610 cluster switch shuts down.
Switch logs indicate shut down due to power loss:

Power supply state change alarm: Power Supply Unit: 1 ID: 1 Event: 5 - Power Loss

SW1-1 BSP[envMonTask]: cpu_boxs.c(1487) 719 %% Warning temperature reading : 60 deg C!

SW1-1 BSP[envMonTask]: cpu_boxs.c(1512) 726 %% Critical temperature reading : 61 deg C!

SW1-1 BSP[envMonTask]: cpu_boxs.c(2050) 727 %% Starting 2 minute shutdown timer !

SW1-1 BSP[envMonTask]: cpu_boxs.c(2095) 728 %% System shutting down !

If this issue happens on both cluster switches, then the cluster rings can be seen going offline which can further cause:
- Nodes generating NODE(S) OUT OF CLUSTER QUORUM) EMERGENCY autosupport.
- Aggregates, volumes, LIFs etc may be listed as offline in the show outputs using CLI.
- Nodes may not get listed properly (even if they are online).

cluster1::> node show

Node Health Eligibility Uptime Model Owner --------- ------ ----------- ------------- ----------- -------- node-1 false true - - - node-2 false true 71 days 19:42 FAS8060 node-3 false true - - - node-4 false true - - - 4 entries were displayed.