Hi. It's the encoder being worn out. They should give a nice gray code but states will flip at random.
Opening up the unit and spray them inside might help. Orherwise best to replace.
The one used is the PEC12R 4220F S0024.
But the 4120F S0012 might be safer as it has only 12 pulses per rev so each gray "stretch" is double as long. But it takes also twice as much rotating to change a value.
Regards, Deve.
Opening up the unit and spray them inside might help. Orherwise best to replace.
The one used is the PEC12R 4220F S0024.
But the 4120F S0012 might be safer as it has only 12 pulses per rev so each gray "stretch" is double as long. But it takes also twice as much rotating to change a value.
Regards, Deve.