13
9.0 TROUBLESHOOTING
Symptom Action
1. Check for 24 volt power on terminals #20 and #21. If 24
volt power is present, replace Detergent Controller P.C.
Board.
2. If no 24 volt power at #20 and 21, check for high voltage
at machine power source.
a. If high voltage power, check wiring to transformer,
replace as required.
b. If no high voltage power, check power source or use
an alternate power source.
1. Check for 24 volt power at terminals #20 and #23. If 24
volt power is not present, replace Detergent Controller
P.C. Board.
2. If 24 volts
is present, check the valve and valve circuit.
a. Check for water to the valve.
b. Disconnect the outlet tubing from the valve. If water
to the reservoir, or in the reservoir spray nozzle.
c. The valve will not open if the static water pressure is
greater than 120 psi. Use an alternate water source
or install a pressure reducing valve.
3. If 24 volts
is not present at valve coil, there is a break in
power between the P.C. Board and the valve.
a. Tie together the 2 white wires. If detergent now feeds,
the reservoir safety switch (or wiring) is defective.
b. If bypassing the safety switch does not allow the valve
to operate, check the wiring and connections between
terminals #20 and #21 and the valve.
9.1 Unit does not operate - No Power Light.
9.2 Unit does not feed - Power Light and Feed
Light on.
To Next Page
Loading...
Need help?
General
