Grindmaster PBIC-430V2E230 User Manual

• No electrical power to

equipment

• No water supplied to

equipment

• No power to control

board 

• No power to control

board and transformer
not powered.

• No power to control

board and transformer
powered.

• Check for proper 

voltage at terminal 
block. Check circuit
breaker on supply circuit.

• Disconnect water supply

line and ensure that
water is provided to unit.
Check to see that any
and all valves in water
line are open.

• Check for proper voltage 

across transformer 
primary terminals by 
disconnecting terminals.
See wiring diagram for
more information.

• Ensure there is proper

voltage across terminal
block. Check wiring 
diagram for more 
information.

• Disconnect quick 

disconnect on secondary
side of transformer at
quick disconnect
between yellow and blue
wires. Check for 24 Vac
between blue and 
yellow wires.

• Establish electrical power 

to unit.

• Establish water supply

to unit.

• If there is not 120V across 

primary, proceed to step 
entitled “No power to control
board and transformer not
powered.” If there is proper
voltage across primary, proceed
to step entitled “No power 
to control board and 
transformer powered”.

• Secure connections and reset

circuit breaker on equipment.

• If there is not 24 Vac between

the blue and yellow wires,
replace transformer. If proper
voltage exists, secure 

connection between 3 pin 
connector and control board.