Groen 2TRI-RES-20G, Service Manual

Page: 26 / 44

PART NUMBER 152797 REVISION
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STEAM VALVE 1 12.
This test checks the steam-water inlet valve for the center
reservoir.
Push START. Water should flow into the center reservoir.
Release START. Water should stop flowing.
If not then check the connections, water valve, and water supply
to the oven.
STEAM VALVE 2 13.
This test checks the steam-water valves for the outer two
reservoirs.
Push START. Water should flow into the outer two reservoirs.
Release START. Water should stop flowing.
If not then check the connections, water valve, and water supply
to the oven.
SPRAY VALVE 14.
This test checks the condensate-spray valve.
Push START. The condensate spray hose at the drain box should
jump a bit when water starts.
After a few seconds water should flow out of the drain hose.
Release START. The water should stop.
If not check the connections, water valve, and water supply to
the oven.
RINSE VALVE 15.
This test checks the rinse-water valve.
Close the oven door (the rinse valve won’t open if the door is
open).
Push START. The rinse nozzle in the back of the oven cavity should
spray water all over the cavity.
Release START. The water should stop. If not check the connections,
water valve, and water supply to the oven.
DRAIN VALVE 1 16.
This test checks the drain valve for the center reservoir.
Push START.
Check that the plunger on the center drain valve rises.
If there is water in the center reservoir it should begin to drain
out.
Release START. The plunger should drop back down.
If not check the connections and the drain valve.
DRAIN VALVE 2 17.
This test checks the drain valves for the outer two reservoirs.
Push START.
Check that the plunger on the outer two drain valves rises.
If there is water in the any of the outer reservoirs it should begin
to drain out.
Release START. The plunger should drop back down.
If not check the connections and the drain valve.
MAIN VALVE 18.
This test checks the igniter, the pilot and pilot valve, the flame
sensor, the main gas valve and the center burner.
Make sure the POWER switch is on. Push ON if necessary.
Look at the burner assembly and verify that the pilot is on.
If not then check the LED on the igniter.
If it is flashing then turn the power off for a few seconds and
back on again.
Check for pilot.
Push START. The main gas valve will click and the main burner
will light.
Have an assistant look at the burner to verify.
If not check the connections, igniter, and gas supply to the
oven.
AUXILIARY VALVES 19.
This test checks the two auxiliary gas valves and the two side
burners.
Push START. The auxiliary gas valves will click and the main
burners will light.
Have an assistant look at the burner to verify.
If not check the connections, igniter, and gas supply to the
oven.
PRODUCT CODE 20.
This test checks the product code jumper in the ribbon cable
connector to the control board. The red display should show 001
for the gas oven.
If this is not the case check that the proper ribbon cable has been
installed and that all connecters are pushed in firmly.
If necessary replace the ribbon cable.
SENSORS 21.
This test checks the two water level sensors, the door sensor, the
high-limit sensor, the fan current sensor, and the latching relay.
The chart shown below represents the horizontal segments in
the TEMPERATURE display. When a bar is on it indicates that the
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