SERVICE (cont.) | Wiring Diagrams and check the wiring harness. |
BREW TIMER
OLD STYLE |
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FIG. 4 BREW TIMER | P1833 |
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Location:
The brew timer is located in the hood. It consists of the left dial plate and circuit board.
Test Procedure:
1.Disconnect the brewer from the power source.
2.Remove the wires from terminals TL3, TL4, & TL5 of the timer and rotate the dial fully counterclock- wise.
2. With a voltmeter, check the voltage across termi- |
nals TL1 and TL2 when the ON/OFF or SELECTOR |
switch is in the “ON” (T3 left, T6 left or right) po- |
sition. Connect the brewer to the power source. |
The indication must be: |
a) 120 volts ac for two wire 120 volt models. |
5.Check the voltage across terminals TL1 and TL4 with a voltmeter when the ON/OFF or SELECTOR switch is in the “ON” (T3 left, T6 left or right) po- sition and the start switch is momentarily placed in the lower position. Connect the brewer to the power source. The indication must be:
a)120 volts ac for two wire 120 volt models for approximately twenty seconds and then return to its previous indication.
b)240 volts ac for two wire 240 volt models for approximately twenty seconds and then return to is previous indication.
c)100 volts ac for two wire 100 volt models for approximately twenty seconds and then return to its previous indication.
6.Disconnect the brewer from the power source.
If voltage is present as described, the timer is operat- ing properly. Adjust the timer dial as required.
If voltage is not present as described, replace the timer.
Removal and Replacement:
1.Remove all wires from the timer.
2.Remove the circuit board and dial plate from the brackets.
3.Install the new timer circuit board as described in the Late Model Timer Section.
4.Refer to Fig. 7 when reconnecting the wires.
5.Install the Timer Setting Decal, provided with the timer replacement kit, to the rear of the schematic, on the top cover.
5.Adjust the timer as required. Refer to Late Model Timer Section.
b) 240 volts ac for two wire 240 volt models. |
c) 100 volts ac for two wire 100 volt models. |
3. Disconnect the brewer from the power source. |
If voltage is present as described, proceed to #4.
If voltage is not present as described, refer to the Wir- ing Diagrams and check the wiring harness.
4.Check for continuity across the white/orange and white/yellow wires when the start switch is held in the lower position.
If continuity is present as described, refer to Fig. 5 and reconnect the wires to terminals TL3, TL4, & TL5 of the timer board and proceed to #5.
WHI/ORN to Start Switch WHI/GRN to Brew Solenoid WHI/YEL to Start Switch
WHI to Power Cord (100V & 120V) or RED to Power Connector (240V) WHI to Dilution Timer (100V & 120V) or RED to Dilution Timer (240V)
WHI/VIO to Dilution Timer
WHI/VIO to ON/OFF Switch
PNK to Selector Switch (Half Batch Option Only)
GRY to Selector Switch (Half Batch Option Only)
If continuity is not present as described, refer to the
P1279
FIG. 5 BREW TIMER TERMINALS
Page 17 | 10145 | 072600 |
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