Testing the Pro Line Model KPES100 will require
a clean, dry and well lighted workplace. To protect the finish of the unit,
the workplace surface should be cushioned with a protective cloth or carpet.
Your Electrical Service Workplace should comply with all Local, Regional
and National Electrical Codes.
TEST ITEMS REQUIRED:
To perform the LIVE Espresso Maker Test you
will need:
1. The Reservoir filled with (8) Cups of
Water.
2. The 8.5 Ounce Frothing Pitcher.
3. A 4-Cup Graduated Scale Pitcher.
4. A Watch, Timer or Stop-Watch.
5. A Maximum Reading Thermometer capable
of reading 180 Degrees Farenheit.
6. An Inline Wattmeter capable of reading
2500 Watts.
7. Pencil and Paper to record performance
PREPARING THE TEST UNIT:
The purpose of this LIVE Test Procedure is
to confirm proper operation of the Espresso Maker and aid the new Service
Technicial in understanding the systems operation. IMPORTANT: Always begin
the test with the unit DISCONNECTED from the AC Mains.
1. Fill the unit's Reservoir with (8) Cups
of Tap Water. This would be 4" above the bottom of the Reservoir, near
Maximum Capacity. Carefully position the Reservoir in the Espresso Maker
and be sure that the tubing is properly positioned. NOTE: Distilled or Mineral
Water should not be used in the Espresso Maker.
WATER LEVEL - Notice above how the Espresso
Maker stores (1) Cup of Water for every 1/2" of Water level in the
Reservoir. The (6) Cup Level as shown above would be 3" above the bottom
of the Reservoir. For the Test use (8) Cups of water (4" above the
bottom) so that an ample supply is available.
2. Attach the Portafilter to the unit with
a Filter Basket inserted. No Coffee will be needed for this test.
3. Be sure that the Steam Dial Knob is turned
fully clockwise (-) in the closed position.
4. Check the "On/Off" button on
the Espresso Bezel. Push it in ("On") and then push it again so
that the button extends outward ("Off"). In the "Off"
position, connect the AC Cord to the back of the Espresso Maker and plug
the end into the Inline Wattmeter that is connected to the AC Mains.
CONTAINERS - A typical serving of Espresso
is (1) or (2) Ounces. During this Test, after confirming operating temperature,
you are going to run the Espresso and Frothing Dispensers for a full minute
and dispense 3 Cups of hot water into a Measuring Pitcher.
LOW TEMPERATURE BOILER AND
PUMP TEST:
In this LOW TEMPERATURE Test you want to
confirm pump operation before the Boilers heat up. Do not be concerned with
flow rate, as you will confirm the water flow in the HIGH TEMPERATURE Test.
1. Press the "On" button and confirm
that the BLUE indicator light is energized. Hold the Frothing Pitcher under
the Portafilter. Immediately press the "Espresso" button for 2
seconds - release and confirm cool water flows liberally through the Portafilter.
Quickly - press the "Espresso" button to stop the water flow.
Shut the Espresso Maker "Off".
2. Press the "On" button and confirm
that the BLUE indicator light is energized. Hold the Frothing Pitcher under
the Frothing Nozzle. Quickly turn the Steam Dial fully counter-clockwise
(+). There will be no steam at this point, but the Steam valve must be "Open"
(+) for water to flow. Immediately press the "Hot Water" button
and hold - confirm cool water flows liberally through the Frothing Nozzle.
Quickly - release the "Hot Water" button to stop the water flow.
Turn the Steam Dial fully clockwise (-). Shut the Espresso Maker "Off".
IMPORTANT - Proceed with the additional steps
if cool water flows through both the Espresso and Frothing sides of the
unit. If no water flows through one or both of the dispensers, immediately
go to the Espresso Pump section.
HIGH TEMPERATURE BOILER AND
PUMP TEST:
1. Press the "On" button and confirm
that the BLUE indicator light is energized. Note the start time on your
watch. The Wattmeter will be reading around 1200 watts at this time as the
Boilers are warming up the water.
2. Observe the "Espresso" Temperature
Gauge. The pointer on the Gauge should be moving from ambient temperature,
towards the "Ready" position.
3. Observe the "Frothing" Temperature
Gauge. The pointer on the gauge should be moving from ambient temperature
to the "Ready" position.
4. The Espresso Maker Thermostat should eventually
cycle the Boiler Heating Elements and the Wattmeter will show just a few
(Zero) watts. Record the time results (Nominal 6 Minutes) and confirm that
both the "Espresso" and "Frothing" Gauges have reached
the "Ready" positions.
5. Place an empty 4-Cup Measuring Pitcher
underneath the Porta Filter. Press the "Espresso" button firmly
for 2 seconds and release. Liquid should be flowing from the Portafilter.
The Inline Wattmeter reading will increase slightly to confirm the Pump
operation. Note your start time and allow hot water to flow for 1-full minutes
time. After 1-minute press the "Espresso" button to shut the Pump
"Off" and confirm that 3-Cups of Hot Water have flowed into the
pitcher.
NOTE: During the test pay close attention
to the Water Level in the Reservoir. At this stage there should be 5-Cups
left in the Resevoir.
6. Quickly place a Maximum Reading Thermometer
into the 4-Cup Measuring Pitcher and observe the "Espresso" Temperature.
This temperature will be in the 150 F range.
7. Record your Espresso Water Flow and Temperature
results and pay attention to the In-Line Wattmeter. After a few minutes
it will indicate cycling as the Thermostat shuts the Boilers Heating Elements
"On" (1200 Watts) and "Off" (Zero Watts). Confirm that
the Thermostat cycles a few times and record on paper. Empty your 4-Cup
Measuring Pitcher.
8. Carefully place your empty 4-Cup Pitcher
under the Frothing Nozzle. Turn the Steam Valve (BE CAREFUL) fully counter-clockwise
(+) and then push and HOLD the "Hot Water" button for 1-full minute.
The Inline Wattmeter reading will increase slightly to confirm the Pump
operation. After 1-full minute release the "Hot Water" button
to shut the Pump "Off" and confirm that 2.5-Cups of Hot Water
have flowed into the 4-Cup pitcher. About 0.5 Cups of water have been depleted
as Steam.
NOTE: During the Test pay close attention
to the Water Level in the Resevoir. At this stage there should be 2-Cups
left in the Reservoir.
6. Quickly place a Maximum Reading Thermometer
into the 4-Cup Measuring Pitcher and observe the "Frothing" Temperature.
This temperature will be in the 180 F range.
8. Record your Frothing Water Flow and Temperature
results and pay attention to the In-Line Wattmeter. After a few minutes
it will start cycling as the Thermostat shuts the Boilers "On"
(1200 Watts) and "Off" (Zero Watts) . Confirm that the Thermostat
cycles a few times and record on paper.
9. At this point disconnect the Espresso
maker from the Inline Wattmeter and allow the boilers to cool down.
TEST SEQUENCE
TYPICAL
OBSERVED
1. - Espresso (Cold Water)
Confirm Water Flow (OK)
2. - Frothing (Cold Water)
Confirm Water Flow (OK)
3. - Espresso (Hot Water)
3 Cups / Min - 150 F
4. - Frothing (Hot Water)
3 Cups / Min - 180 F
TYPICAL RESULTS: From a cold start the Espresso
maker should reach operating temperature in 6-Minutes and the Boilers will
cycle "On" and "Off". The Espresso Dispenser should
deliver 3 Cups of 150 F Water in 1 minute through the Portafilter. The Frothing
Dispenser should deliver 2.5 Cups of 180 F Water in 1 minute and Steam should
be visible through the Frothing Nozzle. NOTE: Actual temperature results
will vary due to altitude and the ambient temperature during the test. Wattmeter
voltages will also vary due to line voltage standards (110V-120V).
