F16 relay stopped functioning

[autolifetech]

Hello,

I have had the F16 for awhile now but over the past few weeks, the relays suddenly stopped working. I can control the relay functions in HA and can hear the click sound of the relay but the lights remained on (the relays are connected to light circuit). When I touch the board it is very hot.Is this normal? How to fix this issue?

[admin]

can you take a video of your problem.

[autolifetech]

I cant upload the video directly here. So here's a link to the video

https://drive.google.com/file/d/1TZ8Rmda...sp=sharing

I can hear relay click but light still on. The F16 is also hot to touch

[admin]

you can disconnect relay output wire with load. use multi meter to relay5, when turn on/off, then COM and NO whether is CLOSE and OPEN. just test without load.

[autolifetech]

Hello, 

please see the video
https://drive.google.com/file/d/1Ega6TRM...sp=sharing

relay 5 on = continuity CLOSE 
Relay 5 off = continuity CLOSE

Same problem for relay 3, 7, 8 & 14

when testing on relay 4

Relay 4 on = continuity CLOSE
relay 4 off = continuity open

[admin]

open the black box, can you exchange relay4 and relay5, test whether is relay broken. F16 use by removable relay, easy to replace.