Fagor AD - 21 W, Руководство по обслуживанию

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SYMPTOM POSSIBLE CAUSE ACTION
Dishwasher RUNS.
WASH WATER NOT
REACHING REQUIRED
TEMPERATURE OF 150°F
Low incoming water
temperature supplied to the
Dishwasher
Check out that incoming water temperature is at least
120°F and pressure is at least 20 psi. Optimal incoming
water temperature is 140°F and optimal incoming water
pressure is 25 psi.
Faulty thermostat (Tc) Verify that there is power on violet (vi) coming from Tc
to Tt (only applies after Tc has been satisfied or >
180°F). If A4 is displayed, reconnect temperature
sensor. If A5 is displayed, replace temperature sensor.
Misadjusted/faulty
thermostat (Tt)
Verify voltage to t-stat. If voltage has been verified ok,
check tank heater relay Ct
Tank heater relay (Ct)
faulty.
Verify voltage at heater relay coil (A1, A2), solenoid
closes when receiving voltage. If not, replace heater
relay (Ct)
Tank heater (Rt) faulty Ohm out (between 10-12 Ohms) element check for
continuity; if open, replace heater (Rt).
Dishwasher Washes and
Rinses but Does NOT DRAIN
or overflows.
Door is closed
Open the door and push the drain button for 3 sec.
Overflow tube not
removed.
Open the door and remove the Front Right S/S Filter and
remove the overflow tube by inserting a finger through
the hole on top of the overflow tube and pull upward.
Drain pump (BD) clogged. Open drain pump cover and remove debris. (Lower front
panel; unscrew white removable cover, rotate counter-
clock wise
Drain hose kinked Make sure the drain hose is not kinked and flush out any
debris that may have been accumulated.
Faulty Drain pump (BD) Verify voltage to drain pump; if receiving voltage,
replace Drain pump (BD).
Faulty safety pressure
switch (P2), Overflow.
Verify that the black rubber pressure tube is not kinked
or damaged (air leak). If so, replace black rubber
pressure tube. If not kinked or damaged, replace
pressure switch P2.
Machine temperatures or
pressure may not be to
specification.
Wait until sanitized rinsing temperature reached a min.of
180ºF. Check out your incoming water temperature.
Recommended incoming water temperature is 140°F and
incoming water pressure is 20-25 psi.
None or too little
detergent being used.
Make sure detergent to dish ratio is fallowed to
manufacturer specification. Make sure that the detergent
and rinse pumps have been adjusted and primed
(priming only applies to the rinse pump). Check for kinks
along the chemical lines. Make sure that the chemical
line brass filters are completely submerged below the
chemical level.
Dishes are not coming
out clean enough.
Improper loading or
overloading
Read chapter on proper loading of dishwasher. Refer to
page 15 of this manual.
Washing and or rinsing
arms jammed or dirty.
Check that arms rotate properly by spinning them
manually and that rinsing and washing nozzles are not
blocked or dirty. Clean if necessary
Clogged drain Remove obstruction from the pump and/or make sure
the drain hose is not kinked and flush out any debris that
may have been accumulated.
Machine not level Level machine by adjusting the unit’s legs accordingly.
Refer to page 6 of this manual
WATER OVERFLOW
FROM BOTTOM OF THE
DOOR
Excessive inlet pressure Install pressure reducing valve. Ensure flow is 20-25 psi.
EXCESS FOAM coming out
of the door.
Use ONLY commercial grade, low suds, liquid detergent
for commercial appliances. Adjust the amount of
chemicals being dispensed to the unit. Refer to page 14
of this manual.
Low water pressure, rinse
aid container is empty, air in
the pump and/or lines.
Verify that the min. incoming water pressure is 20 psi.
Verify that there is enough rinse aid left in the container.
Make sure that the rinse agent chemical lines are primed
and free of kinks.
Rinse agent not being
dispensed
Detergent tubes not
placed properly inside
container/improper
adjustment
Verify detergent tubes are secured inside container
Adjust chemicals to proper levels