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PROCEDURE:
1.
Turn off all power to the unit.
2.
Select the controller to be tested. Inside the electrical panel
the water level control for the top cooking compartment is a
the top of the electrical panel and wires to the controller will
have and "A" after the wire numbers. The controller for the
electrical panel and its wires will have a "B" suffix. In this
test procedure, reference to the wire "A" or "B" suffix will be
omitted. Refer below to Figure 5.1 for relay locations and
terminal identification.
3.
Remove the wires #40, 41 and 42 form the terminal connec-
tors "G", "H" and "LLOC". WARNING: WHEN YOU TURN
THE POWER ON, THERE ARE TERMINAL THAT CARRY
120V. PROTECT THE ENDS OF THERE DISCONNECT-
ED WIRES TO PREVENT SHORTING TO HOT LEADS.
4.
Turn power ON. Using the voltmeter, check that power
being supplied to terminals L1 and L2 is 120v plus 10%
minus 15%.
5.2.1 TESTING THE WATER FILL RELAY
When the power is turned on, the LED (light emitting diode)
1.
next to the water fill relay should be on. Using the voltmeter
touching the probes to terminals L2 and N. O. next to the
water fill relay should show 120v. Touching the probes to
L2 and N. C. should show no voltage.
5. TROUBLE-SHOOTING
FIGURE 5.1 WATER LEVEL CONTROL BOARD
2.
Connect the jumper to terminals "G" and "H". After a delay
of 4-5 seconds, the relay should switch and the LED will go
OFF. Using the voltmeter touching the probes to terminals
L2 and N. O. of the water fill relay should show no voltage.
Touching the probes L2 and N. C. should show 120v.
3.
Disconnect the jumper.
5.2.2 TESTING THE LOW WATER RELAY
1.
With the power on, the LED next to the low water relay
should be off. Using the voltmeter touch probes to the L2
and N. O. terminals next to this relay, there should be no
voltage. Touching the probes to terminals L2 and N. C.
should show 120v.
2.
Connect the jumper to terminals "G" and "LLOC". The :ED
next to the low water relay should turn on immediately.
3.
Touch the voltmeter probes to terminals L2 and N. O. next
to the low water relay there should be 120v. Touch the
probes to terminals L2 and N. C. there should be no volt-
age.
4.
Remove the jumper and turn off power. Reconnect the
disconnected wires; wire #41 to terminals "G", wire #42
to terminal "LLOC", and wire #43 to terminal N. C. of the
water fill relay.
5.3
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