Service manual

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PROBLEM: WATER NOT FLOWING FROM SPRAYHEAD.
SOLUTION
POSSIBLECAUSE
Checkwaterlevelintank.Ifwaterisnotowingintothetank,re-
viewsteps1thru4,previouspage.
Checkthecontinuitybetweenterminals5Band4BwhentheBREW
switch is pressed. If there is no continuity, replace the switch.
Makesurethetimerisreceiving110to120volts.Youcanverify
thisbytakingareadingwithyourmeterattheendoftheYELLOW
wire on terminal 5B of the ON/OFF switch and at terminal 9 of the
timer. When the timer is activated by the brew switch, you should
read110to120voltsacrossterminals8 and 9 of the timer. The
REDwireonterminal8 supplies power to open the dump valve. If
no voltage is present, replace the timer.
If the timer works when the brew switch is pressed, then check the
dumpvalveusingavoltmeterontheterminals.Ifitshows110to
120voltsbutnowaterowsthroughthevalve,cleanoutthevalve
or replace the coil.
11.Waterlevelistoolow 
in heating tank.
12.Defectivebrewswitch.
13.Defectivetimer.
14.Burnedoutdumpvalve 
coil.
PROBLEM: WATER IN TANK DOES NOT GET HOT OR WATER TEMPERATURE TOO LOW
POSSIBLECAUSE
SOLUTION
10.Defectivethermostat.
Thermostat may be cutting off before the water temperature reaches
operatingtemperature.Donottrytoresetthethermostat.Replaceit.
GEMINI120A