Attempt method 1
Have you double checked the pincode on the back of the watchmon4 pcb, it should be a 6 digit number. (this you did based on the picture you sent)
Attempt method 2
At the factory they are initial set to 631820 and we then modified to a new random value.
Each failed technician logon attempt cannot be in less than 30-60 seconds to prevent rapid brute force attack.
Attempt method 3
If that does not work we can generate remotely a temporary code but needs to be applied within 1 hour of you sending us the snapshot report
Attempt method 4
we remote on a doe the steps above.