KwikDial Controller: All Zones Show Voltage Simultaneously—Controller Failed

KwikDial 12-station controller: when zone 1 active, ALL 12 stations read 27-28V. Transformer outputs 28V. No master valve. Manual valve operation works.

Diagnosis

Controller output stage failed. Only active station should show voltage. All stations hot = microprocessor or output transistors shorted.

Reset Attempt

1. Disconnect transformer wires (two yellows)
2. Wait 1 minute
3. Reconnect
4. Test single zone

If Reset Fails

Controller is damaged. Also check field wiring: measure ohms at each station terminal (black on COM, red on station). 20-60 Ohms = good. <20 = short. >60 = open wire.

Replace with modern equivalent (Rain Bird ESP or Irritrol Rain Dial).