I take it you've tried disassembling it when cold and making sure all the screwed-together bits are tight? Also check for dry soldered joints on the PCB. The emitter works loose from the reflector block on mine and needs retightening periodically.
@rhowe started
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I take it you've tried disassembling it when cold and making sure all the screwed-together bits are tight? Also check for dry soldered joints on the PCB.
The emitter works loose from the reflector block on mine and needs retightening periodically.