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peson
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Posts: 184
Joined: Tue Jul 20, 2004 10:33 am
Location: Sweden

CCR1036 temperature "issue" cause reboot.

Thu Jun 25, 2020 10:35 am

I want to share with you about a successful repair of a CCR1036-12G-4S.
It started with the power supply which had the original capacitors, the bad ones.
We installed a new power supply and everything worked as it should for two years. We started having temperature problems, at least what the router reported. This escalated as the router started to reboot due to the "temperature problems".
It reported very high temperature 100C for the CPU and 70C for incoming air, very high speed on one fan and low speed on the other. It also reported low voltage (~20v).
We started troubleshooting, in with a new power supply. nothing was changed.
Inspection of the motherboard showed that the capacitors C1442 and C1443 were slightly swollen. Okay nothing to lose, we tried to change them.
We soldered new ones with higher quality.
When testing the router, everything turned out to work properly.
I hope someone benefits from my story and don't discard their 1036-12G-4S showing this behavior.
Reboot is the last resort, try to find out what's wrong instead.

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