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SPECIAL COMPONENTS TEST
1) CHECK DISPENSE VALVES FOR LIME BUILD-UP (Located inside top cabin)
Drain the water tank to just below the level of the Dispense Valves.
Remove the Valves and clean. You can take these valves apart by
hand as shown.
Replace the assembly as needed.
Replace the valve into the tank and refill tank.
2) WATER INLET VALVE (SOLENOID) TEST (Located inside bottom cabin)
Turn power off. If the water level rises inside the tank, and shoots out of
the overflow, the Water Inlet Valve is leaking. Disconnect wires from the
Water Inlet Valve coil and connect a 2 wire line cord to the terminals. Plug
it into a 115V outlet. If water flows in and stops when you pull it out, the
Valve is working fine. Repeat this test a few times. The problem may be
in the Probe. If the water does not flow in when the cord is plugged into
an electrical outlet, the Solenoid coil may be damaged, opened or the
valve may have an obstruction preventing the water from flowing in.
Clean or replace it.
A Check Valve is installed to prevent backflow.
To check proper function of Check Valve, disconnect water line from
the Check Valve, check for dripping from the disconnected end of the
Check Valve. If it leaks, replace it.
Water inlet Valve max. flow rate is 1.3 gal/min.
3) WATER LEVEL PROBE TEST (Located on tank top, inside top cabin)
If there is a lack of water, you will get an uneven flow.
Check the probe as follows:
Turn on the power and water supply. Check inside the tank to make
sure the water is not touching the Probe. Pull the wire and terminal out
of the Probe rod. If water starts flowing into the tank, the Probe may
be grounded, due to excessive liming. Check with Ohm meter. Clean
or replace.
4) SOLID STATE WATER LEVEL CONTROL BOARD
a) Make sure there is power input to the board at the terminals 2 & 3. Your
voltmeter should read 115 volts. It should read the same at terminals 1
& 3. This is the output power to electrify the coil of the solenoid valve to
open it. The lack of voltage at terminals 2 & 4 will indicate that the
water level board is not working properly.
b) Make sure all wire connections to the board are tight.
c) The grounding plate at the top, in the back of the board, should be
securely grounded. The board will not work, or will work erratically, if it
is not grounded properly. If after this, the board is still failing to open
the water inlet valve, then replace it.
7
N
LI
GROUND TERMINAL
L398A - 120V
L399A - 240V
TO PROBE
TO SOLENOID
GROUNDING PLATE IN
BACK OF THE BOARD