The fluid level emitter is set to "Emit when levels are below limit" but is not emitting when the level is zero, which is far below the limit of 300,000.

Describe the bug

I have a TC smeltery set up with a fluid storage bus set with tin plugged in to it. The level emitter is hooked up to a redstone clock so when the tin reserve is above the set level the emitter will let the clock go and activate the drains and when it's below the level the emitter will emit a signal and stop the clock so it won't drain anymore. The issue comes when I leave he area and something (presumably the storage bus) unload so the molten tin won't show up in the ME system anymore, and the emitter stops emitting a signal and the clock starts draining the smeltery.

To Reproduce
Hook up a fluid storage bus to a smeltery, set a fluid level emitter to 'emit when levels are below the limit,' hook it up to a clock hooked up to the smeltery drains, then leave the area and come back to find an empty smeltery.

Expected behavior
The level emitter should still emit a signal when the molten tin is not loaded by the ME system because the level is zero.

Environment
Multiplayer Server with a AE2 stuff and Extra Cells, and to be clear it is the AE2 storage bus not the Extra Cells one.

• Minecraft Version: 1.12.2
• AE2 Version: rv6-stable-6
• Forge Version: 14.23.5.2796

Is the area fully chunk loaded? For performance reasons they rely on being notified about changes, which can be missed in case the level emitter or cable to them is unloaded.

Well now none of the chunks are loaded due to the whole area being corrupted and crashes the server whenever anyone gets near them.

Sorry, but if the area itself cannot be loaded, there is no way it can work correctly.