Could that 'wan' refer to Wide Area Network, in which case it might be indicating a communication problem?
No problem. I feel a right plum. I had my eyes tested yesterday - I should have had my ears done while I was there too!
Similar here. A couple of years ago, something started bleeping loudly in my (very large, and very 'cluttered') cellar and, perhaps because of 'echoes' etc., it proved very difficult to determine where it was coming from. After a couple of days of haunting through countless stacked boxes etc., I eventually found (inevitably in one of the last boxes I examined!) an old battery-operated 'portable PUR alarm' which had the battery left in it - and, after a year or five, had started trying to tell me that the battery needed replacing!!
This happens and sometimes surprisingly much later than would be expected. One of my radiomics with fitted rechargeable NiCad battery pack hadn't been touched for maybe 20 years, I was very surprised the LED just about glowed when I switched it on. Especially bearing in mind I was getting a couple of years out of a pack while in regular use. I changed a PP£ size battery in a tone tracer last year as it was sounding weak. The Duracell didn't have a date on it so had to be well over 25 years old.
The smoke detectors I fitted a few years go have a battery life of 10 years.
Yes all of mine do now but the type I replaced I didn't expect 2 years. The managing agent were supposed to inspect and replace at 1 year. It's what I did at home too.
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