Climatronic fan-level lights intermittent

[Macmain12]

Has anyone come accross the heater Fan Level lights on the controll KNob (centre one) seems to be intermittant. it jumps from zero to level 3 or 4 or sometimes works as it should from 0-6 for example, but miss one light out?

 

[Gavinda]

I'm guessing you've got the 2 zone fully automatic climate control, in which case its probably on the auto setting and picking the best fan setting to achieve the desired temperature?

 

[Macmain12]

I'm guessing you've got the 2 zone fully automatic climate control, in which case its probably on the auto setting and picking the best fan setting to achieve the desired temperature?

Thankyou for your reply. Yes it the 2 zone . I think.
I'll double check but I'm sure it's not on auto. Don't tell the mrs. I've been wrong before.