Fan Speed

[mitchellk]

Hi folks

Is it possible to control the fan speed on the 3300? Our unit sounds like it's about to take off. I've used other brand units in the past that I haven't even been able to hear running. But this one is really noisy.

Cheers

[acejavelin]

Hi folks

Is it possible to control the fan speed on the 3300? Our unit sounds like it's about to take off. I've used other brand units in the past that I haven't even been able to hear running. But this one is really noisy.

Cheers

That seems very unusual, most 3300's are barely audible... But I don't know of any way to control the fan speed. Which chassis?

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[x-man]

If its that noisy check for a fan alarm. Is the light on the unit flashing red?

Sounds(sic) like the fan is either touching something it shouldn't (yes I have seen this) or its on its way to the knackers yard.

[mitchellk]

It's the CX chassis. If you have the unit on the desk next to you, you cannot hear anything/anyone else. Just raging fans. No alarms or anything. Just noisy. And the speed never changes, just always on.

I called my dealer to ask them if it's meant to sound like it's going to take off and they told me "yeah I can hear ours when they're running. But you never know. We'd have to send someone out to look at it."

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[sarond]

I think the older CX controllers (not CX II) were noisier because they only had one fan, less air holes and ran at higher speed.
CX II controllers have 2 fans, more air holes and are a lot quieter.

[mitchellk]

It must be the CX II. It definitely has 2 fans and two sets of holes.

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[johnp]

Had a new chassis where the fan was hitting wires and causing a lot of noise